31451992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1447}}^1$

素因数の和:1496

約数の個数: 64

約数和(自身を含む): 72979200

約数和(自身を除く): 41527208

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 209, 247, 286, 418, 494, 572, 836, 988, 1144, 1447, 1672, 1976, 2717, 2894, 5434, 5788, 10868, 11576, 15917, 18811, 21736, 27493, 31834, 37622, 54986, 63668, 75244, 109972, 127336, 150488, 206921, 219944, 302423, 357409, 413842, 604846, 714818, 827684, 1209692, 1429636, 1655368, 2419384, 2859272, 3931499, 7862998, 15725996, 31451992]

約数ペア:

[(1, 31451992), (2, 15725996), (4, 7862998), (8, 3931499), (11, 2859272), (13, 2419384), (19, 1655368), (22, 1429636), (26, 1209692), (38, 827684), (44, 714818), (52, 604846), (76, 413842), (88, 357409), (104, 302423), (143, 219944), (152, 206921), (209, 150488), (247, 127336), (286, 109972), (418, 75244), (494, 63668), (572, 54986), (836, 37622), (988, 31834), (1144, 27493), (1447, 21736), (1672, 18811), (1976, 15917), (2717, 11576), (2894, 10868), (5434, 5788)]