81789408

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9161}}^1$

素因数の和:9208

約数の個数: 72

約数和(自身を含む): 240117696

約数和(自身を除く): 158328288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 4464, 8928, 9161, 18322, 27483, 36644, 54966, 73288, 82449, 109932, 146576, 164898, 219864, 283991, 293152, 329796, 439728, 567982, 659592, 851973, 879456, 1135964, 1319184, 1703946, 2271928, 2555919, 2638368, 3407892, 4543856, 5111838, 6815784, 9087712, 10223676, 13631568, 20447352, 27263136, 40894704, 81789408]

約数ペア:

[(1, 81789408), (2, 40894704), (3, 27263136), (4, 20447352), (6, 13631568), (8, 10223676), (9, 9087712), (12, 6815784), (16, 5111838), (18, 4543856), (24, 3407892), (31, 2638368), (32, 2555919), (36, 2271928), (48, 1703946), (62, 1319184), (72, 1135964), (93, 879456), (96, 851973), (124, 659592), (144, 567982), (186, 439728), (248, 329796), (279, 293152), (288, 283991), (372, 219864), (496, 164898), (558, 146576), (744, 109932), (992, 82449), (1116, 73288), (1488, 54966), (2232, 36644), (2976, 27483), (4464, 18322), (8928, 9161)]