253345456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{911}}^1$

素因数の和:1130

約数の個数: 80

約数和(自身を含む): 607961088

約数和(自身を除く): 354615632

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 191, 208, 364, 382, 728, 764, 911, 1337, 1456, 1528, 1822, 2483, 2674, 3056, 3644, 4966, 5348, 6377, 7288, 9932, 10696, 11843, 12754, 14576, 17381, 19864, 21392, 23686, 25508, 34762, 39728, 47372, 51016, 69524, 82901, 94744, 102032, 139048, 165802, 174001, 189488, 278096, 331604, 348002, 663208, 696004, 1218007, 1326416, 1392008, 2262013, 2436014, 2784016, 4524026, 4872028, 9048052, 9744056, 15834091, 18096104, 19488112, 31668182, 36192208, 63336364, 126672728, 253345456]

約数ペア:

[(1, 253345456), (2, 126672728), (4, 63336364), (7, 36192208), (8, 31668182), (13, 19488112), (14, 18096104), (16, 15834091), (26, 9744056), (28, 9048052), (52, 4872028), (56, 4524026), (91, 2784016), (104, 2436014), (112, 2262013), (182, 1392008), (191, 1326416), (208, 1218007), (364, 696004), (382, 663208), (728, 348002), (764, 331604), (911, 278096), (1337, 189488), (1456, 174001), (1528, 165802), (1822, 139048), (2483, 102032), (2674, 94744), (3056, 82901), (3644, 69524), (4966, 51016), (5348, 47372), (6377, 39728), (7288, 34762), (9932, 25508), (10696, 23686), (11843, 21392), (12754, 19864), (14576, 17381)]