659680304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{5179}}^1$

素因数の和:5625

約数の個数: 40

約数和(自身を含む): 1348872000

約数和(自身を除く): 689191696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 419, 838, 1676, 3352, 5179, 6704, 7961, 10358, 15922, 20716, 31844, 41432, 63688, 82864, 98401, 127376, 196802, 393604, 787208, 1574416, 2170001, 4340002, 8680004, 17360008, 34720016, 41230019, 82460038, 164920076, 329840152, 659680304]

約数ペア:

[(1, 659680304), (2, 329840152), (4, 164920076), (8, 82460038), (16, 41230019), (19, 34720016), (38, 17360008), (76, 8680004), (152, 4340002), (304, 2170001), (419, 1574416), (838, 787208), (1676, 393604), (3352, 196802), (5179, 127376), (6704, 98401), (7961, 82864), (10358, 63688), (15922, 41432), (20716, 31844)]