157996657

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 219469824

約数和(自身を除く): 61473167

約数列:

[1, 7, 13, 17, 41, 47, 53, 91, 119, 221, 287, 329, 371, 533, 611, 689, 697, 799, 901, 1547, 1927, 2173, 2491, 3731, 4277, 4823, 4879, 5593, 6307, 9061, 10387, 11713, 13489, 15211, 17437, 25051, 28249, 32383, 32759, 36941, 42347, 63427, 72709, 81991, 102131, 175357, 197743, 226681, 229313, 258587, 296429, 425867, 480233, 550511, 714917, 1327703, 1736227, 2981069, 3361631, 3853577, 9293921, 12153589, 22570951, 157996657]

約数ペア:

[(1, 157996657), (7, 22570951), (13, 12153589), (17, 9293921), (41, 3853577), (47, 3361631), (53, 2981069), (91, 1736227), (119, 1327703), (221, 714917), (287, 550511), (329, 480233), (371, 425867), (533, 296429), (611, 258587), (689, 229313), (697, 226681), (799, 197743), (901, 175357), (1547, 102131), (1927, 81991), (2173, 72709), (2491, 63427), (3731, 42347), (4277, 36941), (4823, 32759), (4879, 32383), (5593, 28249), (6307, 25051), (9061, 17437), (10387, 15211), (11713, 13489)]