1868173678

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{313}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 3392104320

約数和(自身を除く): 1523930642

約数列:

[1, 2, 7, 14, 29, 58, 61, 122, 203, 241, 313, 406, 427, 482, 626, 854, 1687, 1769, 2191, 3374, 3538, 4382, 6989, 9077, 12383, 13978, 14701, 18154, 19093, 24766, 29402, 38186, 48923, 63539, 75433, 97846, 102907, 127078, 133651, 150866, 205814, 267302, 426329, 528031, 553697, 852658, 1056062, 1107394, 2187557, 2984303, 3875879, 4375114, 4601413, 5968606, 7751758, 9202826, 15312899, 30625798, 32209891, 64419782, 133440977, 266881954, 934086839, 1868173678]

約数ペア:

[(1, 1868173678), (2, 934086839), (7, 266881954), (14, 133440977), (29, 64419782), (58, 32209891), (61, 30625798), (122, 15312899), (203, 9202826), (241, 7751758), (313, 5968606), (406, 4601413), (427, 4375114), (482, 3875879), (626, 2984303), (854, 2187557), (1687, 1107394), (1769, 1056062), (2191, 852658), (3374, 553697), (3538, 528031), (4382, 426329), (6989, 267302), (9077, 205814), (12383, 150866), (13978, 133651), (14701, 127078), (18154, 102907), (19093, 97846), (24766, 75433), (29402, 63539), (38186, 48923)]