81738414

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 198469440

約数和(自身を除く): 116731026

約数列:

[1, 2, 3, 6, 9, 17, 18, 29, 34, 51, 58, 61, 87, 102, 122, 151, 153, 174, 183, 261, 302, 306, 366, 453, 493, 522, 549, 906, 986, 1037, 1098, 1359, 1479, 1769, 2074, 2567, 2718, 2958, 3111, 3538, 4379, 4437, 5134, 5307, 6222, 7701, 8758, 8874, 9211, 9333, 10614, 13137, 15402, 15921, 18422, 18666, 23103, 26274, 27633, 30073, 31842, 39411, 46206, 55266, 60146, 74443, 78822, 82899, 90219, 148886, 156587, 165798, 180438, 223329, 267119, 270657, 313174, 446658, 469761, 534238, 541314, 669987, 801357, 939522, 1339974, 1409283, 1602714, 2404071, 2818566, 4541023, 4808142, 9082046, 13623069, 27246138, 40869207, 81738414]

約数ペア:

[(1, 81738414), (2, 40869207), (3, 27246138), (6, 13623069), (9, 9082046), (17, 4808142), (18, 4541023), (29, 2818566), (34, 2404071), (51, 1602714), (58, 1409283), (61, 1339974), (87, 939522), (102, 801357), (122, 669987), (151, 541314), (153, 534238), (174, 469761), (183, 446658), (261, 313174), (302, 270657), (306, 267119), (366, 223329), (453, 180438), (493, 165798), (522, 156587), (549, 148886), (906, 90219), (986, 82899), (1037, 78822), (1098, 74443), (1359, 60146), (1479, 55266), (1769, 46206), (2074, 39411), (2567, 31842), (2718, 30073), (2958, 27633), (3111, 26274), (3538, 23103), (4379, 18666), (4437, 18422), (5134, 15921), (5307, 15402), (6222, 13137), (7701, 10614), (8758, 9333), (8874, 9211)]