1978716324

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{787}}^1$

素因数の和:1105

約数の個数: 96

約数和(自身を含む): 5070836736

約数和(自身を除く): 3092120412

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 227, 284, 426, 454, 681, 787, 852, 908, 923, 1362, 1574, 1846, 2361, 2724, 2769, 2951, 3148, 3692, 4722, 5538, 5902, 8853, 9444, 10231, 11076, 11804, 16117, 17706, 20462, 30693, 32234, 35412, 40924, 48351, 55877, 61386, 64468, 96702, 111754, 122772, 167631, 178649, 193404, 209521, 223508, 335262, 357298, 419042, 535947, 628563, 670524, 714596, 726401, 838084, 1071894, 1257126, 1452802, 2143788, 2179203, 2322437, 2514252, 2905604, 4358406, 4644874, 6967311, 8716812, 9289748, 12684079, 13934622, 25368158, 27869244, 38052237, 50736316, 76104474, 152208948, 164893027, 329786054, 494679081, 659572108, 989358162, 1978716324]

約数ペア:

[(1, 1978716324), (2, 989358162), (3, 659572108), (4, 494679081), (6, 329786054), (12, 164893027), (13, 152208948), (26, 76104474), (39, 50736316), (52, 38052237), (71, 27869244), (78, 25368158), (142, 13934622), (156, 12684079), (213, 9289748), (227, 8716812), (284, 6967311), (426, 4644874), (454, 4358406), (681, 2905604), (787, 2514252), (852, 2322437), (908, 2179203), (923, 2143788), (1362, 1452802), (1574, 1257126), (1846, 1071894), (2361, 838084), (2724, 726401), (2769, 714596), (2951, 670524), (3148, 628563), (3692, 535947), (4722, 419042), (5538, 357298), (5902, 335262), (8853, 223508), (9444, 209521), (10231, 193404), (11076, 178649), (11804, 167631), (16117, 122772), (17706, 111754), (20462, 96702), (30693, 64468), (32234, 61386), (35412, 55877), (40924, 48351)]