221265848

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 449003520

約数和(自身を除く): 227737672

約数列:

[1, 2, 4, 8, 31, 41, 47, 62, 82, 94, 124, 164, 188, 248, 328, 376, 463, 926, 1271, 1457, 1852, 1927, 2542, 2914, 3704, 3854, 5084, 5828, 7708, 10168, 11656, 14353, 15416, 18983, 21761, 28706, 37966, 43522, 57412, 59737, 75932, 87044, 114824, 119474, 151864, 174088, 238948, 477896, 588473, 674591, 892201, 1176946, 1349182, 1784402, 2353892, 2698364, 3568804, 4707784, 5396728, 7137608, 27658231, 55316462, 110632924, 221265848]

約数ペア:

[(1, 221265848), (2, 110632924), (4, 55316462), (8, 27658231), (31, 7137608), (41, 5396728), (47, 4707784), (62, 3568804), (82, 2698364), (94, 2353892), (124, 1784402), (164, 1349182), (188, 1176946), (248, 892201), (328, 674591), (376, 588473), (463, 477896), (926, 238948), (1271, 174088), (1457, 151864), (1852, 119474), (1927, 114824), (2542, 87044), (2914, 75932), (3704, 59737), (3854, 57412), (5084, 43522), (5828, 37966), (7708, 28706), (10168, 21761), (11656, 18983), (14353, 15416)]