31905328

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1289}}^1$

素因数の和:1334

約数の個数: 80

約数和(自身を含む): 80619840

約数和(自身を除く): 48714512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 364, 442, 476, 728, 884, 952, 1289, 1456, 1547, 1768, 1904, 2578, 3094, 3536, 5156, 6188, 9023, 10312, 12376, 16757, 18046, 20624, 21913, 24752, 33514, 36092, 43826, 67028, 72184, 87652, 117299, 134056, 144368, 153391, 175304, 234598, 268112, 284869, 306782, 350608, 469196, 569738, 613564, 938392, 1139476, 1227128, 1876784, 1994083, 2278952, 2454256, 3988166, 4557904, 7976332, 15952664, 31905328]

約数ペア:

[(1, 31905328), (2, 15952664), (4, 7976332), (7, 4557904), (8, 3988166), (13, 2454256), (14, 2278952), (16, 1994083), (17, 1876784), (26, 1227128), (28, 1139476), (34, 938392), (52, 613564), (56, 569738), (68, 469196), (91, 350608), (104, 306782), (112, 284869), (119, 268112), (136, 234598), (182, 175304), (208, 153391), (221, 144368), (238, 134056), (272, 117299), (364, 87652), (442, 72184), (476, 67028), (728, 43826), (884, 36092), (952, 33514), (1289, 24752), (1456, 21913), (1547, 20624), (1768, 18046), (1904, 16757), (2578, 12376), (3094, 10312), (3536, 9023), (5156, 6188)]