636700974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:642

約数の個数: 128

約数和(自身を含む): 1645056000

約数和(自身を除く): 1008355026

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 79, 87, 91, 158, 174, 182, 203, 237, 273, 377, 406, 474, 509, 546, 553, 609, 754, 1018, 1027, 1106, 1131, 1218, 1527, 1659, 2054, 2262, 2291, 2639, 3054, 3081, 3318, 3563, 4582, 5278, 6162, 6617, 6873, 7126, 7189, 7917, 10689, 13234, 13746, 14378, 14761, 15834, 16037, 19851, 21378, 21567, 29522, 29783, 32074, 39702, 40211, 43134, 44283, 46319, 48111, 59566, 80422, 88566, 89349, 92638, 96222, 103327, 120633, 138957, 178698, 191893, 206654, 208481, 241266, 277914, 281477, 309981, 383786, 416962, 522743, 562954, 575679, 619962, 625443, 844431, 1045486, 1151358, 1166119, 1250886, 1343251, 1568229, 1688862, 2332238, 2686502, 3136458, 3498357, 3659201, 4029753, 6996714, 7318402, 8059506, 8162833, 10977603, 15159547, 16325666, 21955206, 24488499, 30319094, 45478641, 48976998, 90957282, 106116829, 212233658, 318350487, 636700974]

約数ペア:

[(1, 636700974), (2, 318350487), (3, 212233658), (6, 106116829), (7, 90957282), (13, 48976998), (14, 45478641), (21, 30319094), (26, 24488499), (29, 21955206), (39, 16325666), (42, 15159547), (58, 10977603), (78, 8162833), (79, 8059506), (87, 7318402), (91, 6996714), (158, 4029753), (174, 3659201), (182, 3498357), (203, 3136458), (237, 2686502), (273, 2332238), (377, 1688862), (406, 1568229), (474, 1343251), (509, 1250886), (546, 1166119), (553, 1151358), (609, 1045486), (754, 844431), (1018, 625443), (1027, 619962), (1106, 575679), (1131, 562954), (1218, 522743), (1527, 416962), (1659, 383786), (2054, 309981), (2262, 281477), (2291, 277914), (2639, 241266), (3054, 208481), (3081, 206654), (3318, 191893), (3563, 178698), (4582, 138957), (5278, 120633), (6162, 103327), (6617, 96222), (6873, 92638), (7126, 89349), (7189, 88566), (7917, 80422), (10689, 59566), (13234, 48111), (13746, 46319), (14378, 44283), (14761, 43134), (15834, 40211), (16037, 39702), (19851, 32074), (21378, 29783), (21567, 29522)]