8643233690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{306389}}^1$

素因数の和:306447

約数の個数: 64

約数和(自身を含む): 19765831680

約数和(自身を除く): 11122597990

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 2015, 2170, 2821, 4030, 5642, 14105, 28210, 306389, 612778, 1531945, 2144723, 3063890, 3983057, 4289446, 7966114, 9498059, 10723615, 18996118, 19915285, 21447230, 27881399, 39830570, 47490295, 55762798, 66486413, 94980590, 123474767, 132972826, 139406995, 246949534, 278813990, 332432065, 617373835, 664864130, 864323369, 1234747670, 1728646738, 4321616845, 8643233690]

約数ペア:

[(1, 8643233690), (2, 4321616845), (5, 1728646738), (7, 1234747670), (10, 864323369), (13, 664864130), (14, 617373835), (26, 332432065), (31, 278813990), (35, 246949534), (62, 139406995), (65, 132972826), (70, 123474767), (91, 94980590), (130, 66486413), (155, 55762798), (182, 47490295), (217, 39830570), (310, 27881399), (403, 21447230), (434, 19915285), (455, 18996118), (806, 10723615), (910, 9498059), (1085, 7966114), (2015, 4289446), (2170, 3983057), (2821, 3063890), (4030, 2144723), (5642, 1531945), (14105, 612778), (28210, 306389)]