81991884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:799

約数の個数: 96

約数和(自身を含む): 223534080

約数和(自身を除く): 141542196

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 43, 51, 52, 68, 78, 86, 102, 129, 156, 172, 204, 221, 258, 442, 516, 559, 663, 719, 731, 884, 1118, 1326, 1438, 1462, 1677, 2157, 2193, 2236, 2652, 2876, 2924, 3354, 4314, 4386, 6708, 8628, 8772, 9347, 9503, 12223, 18694, 19006, 24446, 28041, 28509, 30917, 36669, 37388, 38012, 48892, 56082, 57018, 61834, 73338, 92751, 112164, 114036, 123668, 146676, 158899, 185502, 317798, 371004, 401921, 476697, 525589, 635596, 803842, 953394, 1051178, 1205763, 1576767, 1607684, 1906788, 2102356, 2411526, 3153534, 4823052, 6307068, 6832657, 13665314, 20497971, 27330628, 40995942, 81991884]

約数ペア:

[(1, 81991884), (2, 40995942), (3, 27330628), (4, 20497971), (6, 13665314), (12, 6832657), (13, 6307068), (17, 4823052), (26, 3153534), (34, 2411526), (39, 2102356), (43, 1906788), (51, 1607684), (52, 1576767), (68, 1205763), (78, 1051178), (86, 953394), (102, 803842), (129, 635596), (156, 525589), (172, 476697), (204, 401921), (221, 371004), (258, 317798), (442, 185502), (516, 158899), (559, 146676), (663, 123668), (719, 114036), (731, 112164), (884, 92751), (1118, 73338), (1326, 61834), (1438, 57018), (1462, 56082), (1677, 48892), (2157, 38012), (2193, 37388), (2236, 36669), (2652, 30917), (2876, 28509), (2924, 28041), (3354, 24446), (4314, 19006), (4386, 18694), (6708, 12223), (8628, 9503), (8772, 9347)]