1640342886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2237}}^1$

素因数の和:2358

約数の個数: 128

約数和(自身を含む): 4331335680

約数和(自身を除く): 2690992794

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 79, 91, 102, 119, 158, 182, 221, 237, 238, 273, 357, 442, 474, 546, 553, 663, 714, 1027, 1106, 1326, 1343, 1547, 1659, 2054, 2237, 2686, 3081, 3094, 3318, 4029, 4474, 4641, 6162, 6711, 7189, 8058, 9282, 9401, 13422, 14378, 15659, 17459, 18802, 21567, 28203, 29081, 31318, 34918, 38029, 43134, 46977, 52377, 56406, 58162, 76058, 87243, 93954, 104754, 114087, 122213, 174486, 176723, 203567, 228174, 244426, 266203, 353446, 366639, 407134, 494377, 530169, 532406, 610701, 733278, 798609, 988754, 1060338, 1221402, 1237061, 1483131, 1597218, 2297399, 2474122, 2966262, 3004291, 3460639, 3711183, 4594798, 6008582, 6892197, 6921278, 7422366, 9012873, 10381917, 13784394, 16081793, 18025746, 20763834, 21030037, 32163586, 39055783, 42060074, 48245379, 63090111, 78111566, 96490758, 117167349, 126180222, 234334698, 273390481, 546780962, 820171443, 1640342886]

約数ペア:

[(1, 1640342886), (2, 820171443), (3, 546780962), (6, 273390481), (7, 234334698), (13, 126180222), (14, 117167349), (17, 96490758), (21, 78111566), (26, 63090111), (34, 48245379), (39, 42060074), (42, 39055783), (51, 32163586), (78, 21030037), (79, 20763834), (91, 18025746), (102, 16081793), (119, 13784394), (158, 10381917), (182, 9012873), (221, 7422366), (237, 6921278), (238, 6892197), (273, 6008582), (357, 4594798), (442, 3711183), (474, 3460639), (546, 3004291), (553, 2966262), (663, 2474122), (714, 2297399), (1027, 1597218), (1106, 1483131), (1326, 1237061), (1343, 1221402), (1547, 1060338), (1659, 988754), (2054, 798609), (2237, 733278), (2686, 610701), (3081, 532406), (3094, 530169), (3318, 494377), (4029, 407134), (4474, 366639), (4641, 353446), (6162, 266203), (6711, 244426), (7189, 228174), (8058, 203567), (9282, 176723), (9401, 174486), (13422, 122213), (14378, 114087), (15659, 104754), (17459, 93954), (18802, 87243), (21567, 76058), (28203, 58162), (29081, 56406), (31318, 52377), (34918, 46977), (38029, 43134)]