664500647525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1291}}^1\times {\mathrm{143977}}^1$

素因数の和:145302

約数の個数: 48

約数和(自身を含む): 968789951808

約数和(自身を除く): 304289304283

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 1291, 3575, 6455, 14201, 16783, 32275, 71005, 83915, 143977, 184613, 355025, 419575, 719885, 923065, 1583747, 1871701, 3599425, 4615325, 7918735, 9358505, 20588711, 39593675, 46792525, 102943555, 185874307, 514717775, 929371535, 2044617377, 2416365991, 4646857675, 10223086885, 12081829955, 26580025901, 51115434425, 60409149775, 132900129505, 664500647525]

約数ペア:

[(1, 664500647525), (5, 132900129505), (11, 60409149775), (13, 51115434425), (25, 26580025901), (55, 12081829955), (65, 10223086885), (143, 4646857675), (275, 2416365991), (325, 2044617377), (715, 929371535), (1291, 514717775), (3575, 185874307), (6455, 102943555), (14201, 46792525), (16783, 39593675), (32275, 20588711), (71005, 9358505), (83915, 7918735), (143977, 4615325), (184613, 3599425), (355025, 1871701), (419575, 1583747), (719885, 923065)]