1647579140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:749

約数の個数: 96

約数和(自身を含む): 3750582528

約数和(自身を除く): 2103003388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 131, 142, 170, 262, 284, 340, 355, 521, 524, 655, 710, 1042, 1207, 1310, 1420, 2084, 2227, 2414, 2605, 2620, 4454, 4828, 5210, 6035, 8857, 8908, 9301, 10420, 11135, 12070, 17714, 18602, 22270, 24140, 35428, 36991, 37204, 44285, 44540, 46505, 68251, 73982, 88570, 93010, 136502, 147964, 158117, 177140, 184955, 186020, 273004, 316234, 341255, 369910, 628847, 632468, 682510, 739820, 790585, 1160267, 1257694, 1365020, 1581170, 2320534, 2515388, 3144235, 3162340, 4641068, 4845821, 5801335, 6288470, 9691642, 11602670, 12576940, 19383284, 23205340, 24229105, 48458210, 82378957, 96916420, 164757914, 329515828, 411894785, 823789570, 1647579140]

約数ペア:

[(1, 1647579140), (2, 823789570), (4, 411894785), (5, 329515828), (10, 164757914), (17, 96916420), (20, 82378957), (34, 48458210), (68, 24229105), (71, 23205340), (85, 19383284), (131, 12576940), (142, 11602670), (170, 9691642), (262, 6288470), (284, 5801335), (340, 4845821), (355, 4641068), (521, 3162340), (524, 3144235), (655, 2515388), (710, 2320534), (1042, 1581170), (1207, 1365020), (1310, 1257694), (1420, 1160267), (2084, 790585), (2227, 739820), (2414, 682510), (2605, 632468), (2620, 628847), (4454, 369910), (4828, 341255), (5210, 316234), (6035, 273004), (8857, 186020), (8908, 184955), (9301, 177140), (10420, 158117), (11135, 147964), (12070, 136502), (17714, 93010), (18602, 88570), (22270, 73982), (24140, 68251), (35428, 46505), (36991, 44540), (37204, 44285)]