31219888

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:914

約数の個数: 80

約数和(自身を含む): 77137920

約数和(自身を除く): 45918032

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 56, 68, 76, 112, 119, 133, 136, 152, 238, 266, 272, 304, 323, 476, 532, 646, 863, 952, 1064, 1292, 1726, 1904, 2128, 2261, 2584, 3452, 4522, 5168, 6041, 6904, 9044, 12082, 13808, 14671, 16397, 18088, 24164, 29342, 32794, 36176, 48328, 58684, 65588, 96656, 102697, 114779, 117368, 131176, 205394, 229558, 234736, 262352, 278749, 410788, 459116, 557498, 821576, 918232, 1114996, 1643152, 1836464, 1951243, 2229992, 3902486, 4459984, 7804972, 15609944, 31219888]

約数ペア:

[(1, 31219888), (2, 15609944), (4, 7804972), (7, 4459984), (8, 3902486), (14, 2229992), (16, 1951243), (17, 1836464), (19, 1643152), (28, 1114996), (34, 918232), (38, 821576), (56, 557498), (68, 459116), (76, 410788), (112, 278749), (119, 262352), (133, 234736), (136, 229558), (152, 205394), (238, 131176), (266, 117368), (272, 114779), (304, 102697), (323, 96656), (476, 65588), (532, 58684), (646, 48328), (863, 36176), (952, 32794), (1064, 29342), (1292, 24164), (1726, 18088), (1904, 16397), (2128, 14671), (2261, 13808), (2584, 12082), (3452, 9044), (4522, 6904), (5168, 6041)]