647291274245

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1\times {\mathrm{4651}}^1$

素因数の和:5251

約数の個数: 96

約数和(自身を含む): 996821479296

約数和(自身を除く): 349530205051

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 113, 245, 385, 457, 539, 565, 791, 1243, 2285, 2695, 3199, 3955, 4651, 5027, 5537, 6215, 8701, 15995, 22393, 23255, 25135, 27685, 32557, 35189, 43505, 51161, 51641, 60907, 111965, 162785, 175945, 227899, 246323, 255805, 258205, 304535, 358127, 361487, 525563, 568051, 1139495, 1231615, 1790635, 1807435, 2125507, 2506889, 2530409, 2627815, 2840255, 3678941, 3976357, 5781193, 10627535, 12534445, 12652045, 14878549, 18394705, 19881785, 23380577, 25752587, 27834499, 28905965, 40468351, 74392745, 104149843, 116902885, 128762935, 139172495, 163664039, 202341755, 240182291, 283278457, 520749215, 818320195, 1145648273, 1200911455, 1416392285, 1681276037, 2642005201, 5728241365, 8406380185, 11768932259, 13210026005, 18494036407, 58844661295, 92470182035, 129458254849, 647291274245]

約数ペア:

[(1, 647291274245), (5, 129458254849), (7, 92470182035), (11, 58844661295), (35, 18494036407), (49, 13210026005), (55, 11768932259), (77, 8406380185), (113, 5728241365), (245, 2642005201), (385, 1681276037), (457, 1416392285), (539, 1200911455), (565, 1145648273), (791, 818320195), (1243, 520749215), (2285, 283278457), (2695, 240182291), (3199, 202341755), (3955, 163664039), (4651, 139172495), (5027, 128762935), (5537, 116902885), (6215, 104149843), (8701, 74392745), (15995, 40468351), (22393, 28905965), (23255, 27834499), (25135, 25752587), (27685, 23380577), (32557, 19881785), (35189, 18394705), (43505, 14878549), (51161, 12652045), (51641, 12534445), (60907, 10627535), (111965, 5781193), (162785, 3976357), (175945, 3678941), (227899, 2840255), (246323, 2627815), (255805, 2530409), (258205, 2506889), (304535, 2125507), (358127, 1807435), (361487, 1790635), (525563, 1231615), (568051, 1139495)]