981376578

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2711}}^1$

素因数の和:2769

約数の個数: 144

約数和(自身を含む): 2787198336

約数和(自身を除く): 1805821758

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 51, 63, 78, 91, 102, 117, 119, 126, 153, 169, 182, 221, 234, 238, 273, 306, 338, 357, 442, 507, 546, 663, 714, 819, 1014, 1071, 1183, 1326, 1521, 1547, 1638, 1989, 2142, 2366, 2711, 2873, 3042, 3094, 3549, 3978, 4641, 5422, 5746, 7098, 8133, 8619, 9282, 10647, 13923, 16266, 17238, 18977, 20111, 21294, 24399, 25857, 27846, 35243, 37954, 40222, 46087, 48798, 51714, 56931, 60333, 70486, 92174, 105729, 113862, 120666, 138261, 170793, 180999, 211458, 246701, 276522, 317187, 322609, 341586, 361998, 414783, 458159, 493402, 599131, 634374, 645218, 740103, 829566, 916318, 967827, 1198262, 1374477, 1480206, 1797393, 1935654, 2220309, 2748954, 2903481, 3207113, 3594786, 4123431, 4193917, 4440618, 5392179, 5806962, 6414226, 7788703, 8246862, 8387834, 9621339, 10784358, 12581751, 15577406, 19242678, 23366109, 25163502, 28864017, 37745253, 46732218, 54520921, 57728034, 70098327, 75490506, 109041842, 140196654, 163562763, 327125526, 490688289, 981376578]

約数ペア:

[(1, 981376578), (2, 490688289), (3, 327125526), (6, 163562763), (7, 140196654), (9, 109041842), (13, 75490506), (14, 70098327), (17, 57728034), (18, 54520921), (21, 46732218), (26, 37745253), (34, 28864017), (39, 25163502), (42, 23366109), (51, 19242678), (63, 15577406), (78, 12581751), (91, 10784358), (102, 9621339), (117, 8387834), (119, 8246862), (126, 7788703), (153, 6414226), (169, 5806962), (182, 5392179), (221, 4440618), (234, 4193917), (238, 4123431), (273, 3594786), (306, 3207113), (338, 2903481), (357, 2748954), (442, 2220309), (507, 1935654), (546, 1797393), (663, 1480206), (714, 1374477), (819, 1198262), (1014, 967827), (1071, 916318), (1183, 829566), (1326, 740103), (1521, 645218), (1547, 634374), (1638, 599131), (1989, 493402), (2142, 458159), (2366, 414783), (2711, 361998), (2873, 341586), (3042, 322609), (3094, 317187), (3549, 276522), (3978, 246701), (4641, 211458), (5422, 180999), (5746, 170793), (7098, 138261), (8133, 120666), (8619, 113862), (9282, 105729), (10647, 92174), (13923, 70486), (16266, 60333), (17238, 56931), (18977, 51714), (20111, 48798), (21294, 46087), (24399, 40222), (25857, 37954), (27846, 35243)]