2155382964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{181981}}^1$

素因数の和:182045

約数の個数: 72

約数和(自身を含む): 6359179008

約数和(自身を除く): 4203796044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 126, 141, 188, 252, 282, 329, 423, 564, 658, 846, 987, 1316, 1692, 1974, 2961, 3948, 5922, 11844, 181981, 363962, 545943, 727924, 1091886, 1273867, 1637829, 2183772, 2547734, 3275658, 3821601, 5095468, 6551316, 7643202, 8553107, 11464803, 15286404, 17106214, 22929606, 25659321, 34212428, 45859212, 51318642, 59871749, 76977963, 102637284, 119743498, 153955926, 179615247, 239486996, 307911852, 359230494, 538845741, 718460988, 1077691482, 2155382964]

約数ペア:

[(1, 2155382964), (2, 1077691482), (3, 718460988), (4, 538845741), (6, 359230494), (7, 307911852), (9, 239486996), (12, 179615247), (14, 153955926), (18, 119743498), (21, 102637284), (28, 76977963), (36, 59871749), (42, 51318642), (47, 45859212), (63, 34212428), (84, 25659321), (94, 22929606), (126, 17106214), (141, 15286404), (188, 11464803), (252, 8553107), (282, 7643202), (329, 6551316), (423, 5095468), (564, 3821601), (658, 3275658), (846, 2547734), (987, 2183772), (1316, 1637829), (1692, 1273867), (1974, 1091886), (2961, 727924), (3948, 545943), (5922, 363962), (11844, 181981)]