71379656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 147206400

約数和(自身を除く): 75826744

約数列:

[1, 2, 4, 8, 19, 38, 43, 67, 76, 86, 134, 152, 163, 172, 268, 326, 344, 536, 652, 817, 1273, 1304, 1634, 2546, 2881, 3097, 3268, 5092, 5762, 6194, 6536, 7009, 10184, 10921, 11524, 12388, 14018, 21842, 23048, 24776, 28036, 43684, 54739, 56072, 87368, 109478, 133171, 207499, 218956, 266342, 414998, 437912, 469603, 532684, 829996, 939206, 1065368, 1659992, 1878412, 3756824, 8922457, 17844914, 35689828, 71379656]

約数ペア:

[(1, 71379656), (2, 35689828), (4, 17844914), (8, 8922457), (19, 3756824), (38, 1878412), (43, 1659992), (67, 1065368), (76, 939206), (86, 829996), (134, 532684), (152, 469603), (163, 437912), (172, 414998), (268, 266342), (326, 218956), (344, 207499), (536, 133171), (652, 109478), (817, 87368), (1273, 56072), (1304, 54739), (1634, 43684), (2546, 28036), (2881, 24776), (3097, 23048), (3268, 21842), (5092, 14018), (5762, 12388), (6194, 11524), (6536, 10921), (7009, 10184)]