31475290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1063

約数の個数: 64

約数和(自身を含む): 72430848

約数和(自身を除く): 40955558

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 41, 55, 70, 77, 82, 110, 154, 205, 287, 385, 410, 451, 574, 770, 902, 997, 1435, 1994, 2255, 2870, 3157, 4510, 4985, 6314, 6979, 9970, 10967, 13958, 15785, 21934, 31570, 34895, 40877, 54835, 69790, 76769, 81754, 109670, 153538, 204385, 286139, 383845, 408770, 449647, 572278, 767690, 899294, 1430695, 2248235, 2861390, 3147529, 4496470, 6295058, 15737645, 31475290]

約数ペア:

[(1, 31475290), (2, 15737645), (5, 6295058), (7, 4496470), (10, 3147529), (11, 2861390), (14, 2248235), (22, 1430695), (35, 899294), (41, 767690), (55, 572278), (70, 449647), (77, 408770), (82, 383845), (110, 286139), (154, 204385), (205, 153538), (287, 109670), (385, 81754), (410, 76769), (451, 69790), (574, 54835), (770, 40877), (902, 34895), (997, 31570), (1435, 21934), (1994, 15785), (2255, 13958), (2870, 10967), (3157, 9970), (4510, 6979), (4985, 6314)]