31689112

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 80640000

約数和(自身を除く): 48950888

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 29, 38, 52, 56, 58, 76, 79, 91, 104, 116, 133, 152, 158, 182, 203, 232, 247, 266, 316, 364, 377, 406, 494, 532, 551, 553, 632, 728, 754, 812, 988, 1027, 1064, 1102, 1106, 1501, 1508, 1624, 1729, 1976, 2054, 2204, 2212, 2291, 2639, 3002, 3016, 3458, 3857, 4108, 4408, 4424, 4582, 5278, 6004, 6916, 7163, 7189, 7714, 8216, 9164, 10507, 10556, 12008, 13832, 14326, 14378, 15428, 16037, 18328, 19513, 21014, 21112, 28652, 28756, 29783, 30856, 32074, 39026, 42028, 43529, 50141, 57304, 57512, 59566, 64148, 78052, 84056, 87058, 100282, 119132, 128296, 136591, 156104, 174116, 200564, 208481, 238264, 273182, 304703, 348232, 401128, 416962, 546364, 565877, 609406, 833924, 1092728, 1131754, 1218812, 1667848, 2263508, 2437624, 3961139, 4527016, 7922278, 15844556, 31689112]

約数ペア:

[(1, 31689112), (2, 15844556), (4, 7922278), (7, 4527016), (8, 3961139), (13, 2437624), (14, 2263508), (19, 1667848), (26, 1218812), (28, 1131754), (29, 1092728), (38, 833924), (52, 609406), (56, 565877), (58, 546364), (76, 416962), (79, 401128), (91, 348232), (104, 304703), (116, 273182), (133, 238264), (152, 208481), (158, 200564), (182, 174116), (203, 156104), (232, 136591), (247, 128296), (266, 119132), (316, 100282), (364, 87058), (377, 84056), (406, 78052), (494, 64148), (532, 59566), (551, 57512), (553, 57304), (632, 50141), (728, 43529), (754, 42028), (812, 39026), (988, 32074), (1027, 30856), (1064, 29783), (1102, 28756), (1106, 28652), (1501, 21112), (1508, 21014), (1624, 19513), (1729, 18328), (1976, 16037), (2054, 15428), (2204, 14378), (2212, 14326), (2291, 13832), (2639, 12008), (3002, 10556), (3016, 10507), (3458, 9164), (3857, 8216), (4108, 7714), (4408, 7189), (4424, 7163), (4582, 6916), (5278, 6004)]