31321576

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 73735200

約数和(自身を除く): 42413624

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 88, 104, 121, 131, 143, 152, 209, 242, 247, 262, 286, 418, 484, 494, 524, 572, 836, 968, 988, 1048, 1144, 1441, 1573, 1672, 1703, 1976, 2299, 2489, 2717, 2882, 3146, 3406, 4598, 4978, 5434, 5764, 6292, 6812, 9196, 9956, 10868, 11528, 12584, 13624, 15851, 18392, 18733, 19912, 21736, 27379, 29887, 31702, 32357, 37466, 54758, 59774, 63404, 64714, 74932, 109516, 119548, 126808, 129428, 149864, 206063, 219032, 239096, 258856, 301169, 355927, 412126, 602338, 711854, 824252, 1204676, 1423708, 1648504, 2409352, 2847416, 3915197, 7830394, 15660788, 31321576]

約数ペア:

[(1, 31321576), (2, 15660788), (4, 7830394), (8, 3915197), (11, 2847416), (13, 2409352), (19, 1648504), (22, 1423708), (26, 1204676), (38, 824252), (44, 711854), (52, 602338), (76, 412126), (88, 355927), (104, 301169), (121, 258856), (131, 239096), (143, 219032), (152, 206063), (209, 149864), (242, 129428), (247, 126808), (262, 119548), (286, 109516), (418, 74932), (484, 64714), (494, 63404), (524, 59774), (572, 54758), (836, 37466), (968, 32357), (988, 31702), (1048, 29887), (1144, 27379), (1441, 21736), (1573, 19912), (1672, 18733), (1703, 18392), (1976, 15851), (2299, 13624), (2489, 12584), (2717, 11528), (2882, 10868), (3146, 9956), (3406, 9196), (4598, 6812), (4978, 6292), (5434, 5764)]