121231012

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{991}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 257983488

約数和(自身を除く): 136752476

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 257, 476, 514, 991, 1028, 1799, 1982, 3598, 3964, 4369, 6937, 7196, 8738, 13874, 16847, 17476, 27748, 30583, 33694, 61166, 67388, 117929, 122332, 235858, 254687, 471716, 509374, 1018748, 1782809, 3565618, 4329679, 7131236, 8659358, 17318716, 30307753, 60615506, 121231012]

約数ペア:

[(1, 121231012), (2, 60615506), (4, 30307753), (7, 17318716), (14, 8659358), (17, 7131236), (28, 4329679), (34, 3565618), (68, 1782809), (119, 1018748), (238, 509374), (257, 471716), (476, 254687), (514, 235858), (991, 122332), (1028, 117929), (1799, 67388), (1982, 61166), (3598, 33694), (3964, 30583), (4369, 27748), (6937, 17476), (7196, 16847), (8738, 13874)]