31155628

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 71245440

約数和(自身を除く): 40089812

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 37, 58, 61, 68, 74, 116, 119, 122, 148, 203, 238, 244, 259, 406, 427, 476, 493, 518, 629, 812, 854, 986, 1036, 1037, 1073, 1258, 1708, 1769, 1972, 2074, 2146, 2257, 2516, 3451, 3538, 4148, 4292, 4403, 4514, 6902, 7076, 7259, 7511, 8806, 9028, 12383, 13804, 14518, 15022, 15799, 17612, 18241, 24766, 29036, 30044, 30073, 31598, 36482, 38369, 49532, 60146, 63196, 65453, 72964, 76738, 120292, 127687, 130906, 153476, 210511, 255374, 261812, 268583, 421022, 458171, 510748, 537166, 842044, 916342, 1074332, 1112701, 1832684, 2225402, 4450804, 7788907, 15577814, 31155628]

約数ペア:

[(1, 31155628), (2, 15577814), (4, 7788907), (7, 4450804), (14, 2225402), (17, 1832684), (28, 1112701), (29, 1074332), (34, 916342), (37, 842044), (58, 537166), (61, 510748), (68, 458171), (74, 421022), (116, 268583), (119, 261812), (122, 255374), (148, 210511), (203, 153476), (238, 130906), (244, 127687), (259, 120292), (406, 76738), (427, 72964), (476, 65453), (493, 63196), (518, 60146), (629, 49532), (812, 38369), (854, 36482), (986, 31598), (1036, 30073), (1037, 30044), (1073, 29036), (1258, 24766), (1708, 18241), (1769, 17612), (1972, 15799), (2074, 15022), (2146, 14518), (2257, 13804), (2516, 12383), (3451, 9028), (3538, 8806), (4148, 7511), (4292, 7259), (4403, 7076), (4514, 6902)]