249397356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3967}}^1$

素因数の和:4031

約数の個数: 72

約数和(自身を含む): 650625024

約数和(自身を除く): 401227668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 338, 372, 403, 507, 676, 806, 1014, 1209, 1612, 2028, 2418, 3967, 4836, 5239, 7934, 10478, 11901, 15717, 15868, 20956, 23802, 31434, 47604, 51571, 62868, 103142, 122977, 154713, 206284, 245954, 309426, 368931, 491908, 618852, 670423, 737862, 1340846, 1475724, 1598701, 2011269, 2681692, 3197402, 4022538, 4796103, 6394804, 8045076, 9592206, 19184412, 20783113, 41566226, 62349339, 83132452, 124698678, 249397356]

約数ペア:

[(1, 249397356), (2, 124698678), (3, 83132452), (4, 62349339), (6, 41566226), (12, 20783113), (13, 19184412), (26, 9592206), (31, 8045076), (39, 6394804), (52, 4796103), (62, 4022538), (78, 3197402), (93, 2681692), (124, 2011269), (156, 1598701), (169, 1475724), (186, 1340846), (338, 737862), (372, 670423), (403, 618852), (507, 491908), (676, 368931), (806, 309426), (1014, 245954), (1209, 206284), (1612, 154713), (2028, 122977), (2418, 103142), (3967, 62868), (4836, 51571), (5239, 47604), (7934, 31434), (10478, 23802), (11901, 20956), (15717, 15868)]