213329088004

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{2161}}^1$

素因数の和:2709

約数の個数: 72

約数和(自身を含む): 393194214168

約数和(自身を除く): 179865126164

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 244, 421, 842, 961, 1684, 1891, 1922, 2161, 3782, 3844, 4322, 7564, 8644, 13051, 25681, 26102, 51362, 52204, 58621, 66991, 102724, 117242, 131821, 133982, 234484, 263642, 267964, 404581, 527284, 796111, 809162, 909781, 1592222, 1618324, 1819562, 2076721, 3184444, 3639124, 4086451, 4153442, 8172902, 8306884, 16345804, 24679441, 28203211, 49358882, 55496641, 56406422, 98717764, 110993282, 112812844, 126679981, 221986564, 253359962, 506719924, 874299541, 1720395871, 1748599082, 3440791742, 3497198164, 6881583484, 53332272001, 106664544002, 213329088004]

約数ペア:

[(1, 213329088004), (2, 106664544002), (4, 53332272001), (31, 6881583484), (61, 3497198164), (62, 3440791742), (122, 1748599082), (124, 1720395871), (244, 874299541), (421, 506719924), (842, 253359962), (961, 221986564), (1684, 126679981), (1891, 112812844), (1922, 110993282), (2161, 98717764), (3782, 56406422), (3844, 55496641), (4322, 49358882), (7564, 28203211), (8644, 24679441), (13051, 16345804), (25681, 8306884), (26102, 8172902), (51362, 4153442), (52204, 4086451), (58621, 3639124), (66991, 3184444), (102724, 2076721), (117242, 1819562), (131821, 1618324), (133982, 1592222), (234484, 909781), (263642, 809162), (267964, 796111), (404581, 527284)]