1638195156

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{12457}}^1$

素因数の和:12761

約数の個数: 72

約数和(自身を含む): 4475760744

約数和(自身を除く): 2837565588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 281, 468, 562, 843, 1124, 1686, 2529, 3372, 3653, 5058, 7306, 10116, 10959, 12457, 14612, 21918, 24914, 32877, 37371, 43836, 49828, 65754, 74742, 112113, 131508, 149484, 161941, 224226, 323882, 448452, 485823, 647764, 971646, 1457469, 1943292, 2914938, 3500417, 5829876, 7000834, 10501251, 14001668, 21002502, 31503753, 42005004, 45505421, 63007506, 91010842, 126015012, 136516263, 182021684, 273032526, 409548789, 546065052, 819097578, 1638195156]

約数ペア:

[(1, 1638195156), (2, 819097578), (3, 546065052), (4, 409548789), (6, 273032526), (9, 182021684), (12, 136516263), (13, 126015012), (18, 91010842), (26, 63007506), (36, 45505421), (39, 42005004), (52, 31503753), (78, 21002502), (117, 14001668), (156, 10501251), (234, 7000834), (281, 5829876), (468, 3500417), (562, 2914938), (843, 1943292), (1124, 1457469), (1686, 971646), (2529, 647764), (3372, 485823), (3653, 448452), (5058, 323882), (7306, 224226), (10116, 161941), (10959, 149484), (12457, 131508), (14612, 112113), (21918, 74742), (24914, 65754), (32877, 49828), (37371, 43836)]