71215312

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 168953472

約数和(自身を除く): 97738160

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 113, 119, 136, 226, 238, 272, 331, 452, 476, 662, 791, 904, 952, 1324, 1582, 1808, 1904, 1921, 2317, 2648, 3164, 3842, 4634, 5296, 5627, 6328, 7684, 9268, 11254, 12656, 13447, 15368, 18536, 22508, 26894, 30736, 37072, 37403, 39389, 45016, 53788, 74806, 78778, 90032, 107576, 149612, 157556, 215152, 261821, 299224, 315112, 523642, 598448, 630224, 635851, 1047284, 1271702, 2094568, 2543404, 4189136, 4450957, 5086808, 8901914, 10173616, 17803828, 35607656, 71215312]

約数ペア:

[(1, 71215312), (2, 35607656), (4, 17803828), (7, 10173616), (8, 8901914), (14, 5086808), (16, 4450957), (17, 4189136), (28, 2543404), (34, 2094568), (56, 1271702), (68, 1047284), (112, 635851), (113, 630224), (119, 598448), (136, 523642), (226, 315112), (238, 299224), (272, 261821), (331, 215152), (452, 157556), (476, 149612), (662, 107576), (791, 90032), (904, 78778), (952, 74806), (1324, 53788), (1582, 45016), (1808, 39389), (1904, 37403), (1921, 37072), (2317, 30736), (2648, 26894), (3164, 22508), (3842, 18536), (4634, 15368), (5296, 13447), (5627, 12656), (6328, 11254), (7684, 9268)]