1257996957

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1601}}^1$

素因数の和:1730

約数の個数: 64

約数和(自身を含む): 2126020608

約数和(自身を除く): 868023651

約数列:

[1, 3, 7, 17, 21, 31, 51, 71, 93, 119, 213, 217, 357, 497, 527, 651, 1207, 1491, 1581, 1601, 2201, 3621, 3689, 4803, 6603, 8449, 11067, 11207, 15407, 25347, 27217, 33621, 37417, 46221, 49631, 81651, 112251, 113671, 148893, 190519, 261919, 341013, 347417, 571557, 785757, 795697, 843727, 1042251, 1932407, 2387091, 2531181, 3523801, 5797221, 5906089, 10571403, 13526849, 17718267, 24666607, 40580547, 59904617, 73999821, 179713851, 419332319, 1257996957]

約数ペア:

[(1, 1257996957), (3, 419332319), (7, 179713851), (17, 73999821), (21, 59904617), (31, 40580547), (51, 24666607), (71, 17718267), (93, 13526849), (119, 10571403), (213, 5906089), (217, 5797221), (357, 3523801), (497, 2531181), (527, 2387091), (651, 1932407), (1207, 1042251), (1491, 843727), (1581, 795697), (1601, 785757), (2201, 571557), (3621, 347417), (3689, 341013), (4803, 261919), (6603, 190519), (8449, 148893), (11067, 113671), (11207, 112251), (15407, 81651), (25347, 49631), (27217, 46221), (33621, 37417)]