128362178

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 237841920

約数和(自身を除く): 109479742

約数列:

[1, 2, 7, 14, 29, 58, 61, 71, 73, 122, 142, 146, 203, 406, 427, 497, 511, 854, 994, 1022, 1769, 2059, 2117, 3538, 4118, 4234, 4331, 4453, 5183, 8662, 8906, 10366, 12383, 14413, 14819, 24766, 28826, 29638, 30317, 31171, 36281, 60634, 62342, 72562, 125599, 129137, 150307, 251198, 258274, 300614, 316163, 632326, 879193, 903959, 1052149, 1758386, 1807918, 2104298, 2213141, 4426282, 9168727, 18337454, 64181089, 128362178]

約数ペア:

[(1, 128362178), (2, 64181089), (7, 18337454), (14, 9168727), (29, 4426282), (58, 2213141), (61, 2104298), (71, 1807918), (73, 1758386), (122, 1052149), (142, 903959), (146, 879193), (203, 632326), (406, 316163), (427, 300614), (497, 258274), (511, 251198), (854, 150307), (994, 129137), (1022, 125599), (1769, 72562), (2059, 62342), (2117, 60634), (3538, 36281), (4118, 31171), (4234, 30317), (4331, 29638), (4453, 28826), (5183, 24766), (8662, 14819), (8906, 14413), (10366, 12383)]