81011484

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{887}}^1$

素因数の和:999

約数の個数: 72

約数和(自身を含む): 213333120

約数和(自身を除く): 132321636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 59, 86, 118, 129, 172, 177, 236, 258, 354, 387, 516, 531, 708, 774, 887, 1062, 1548, 1774, 2124, 2537, 2661, 3548, 5074, 5322, 7611, 7983, 10148, 10644, 15222, 15966, 22833, 30444, 31932, 38141, 45666, 52333, 76282, 91332, 104666, 114423, 152564, 156999, 209332, 228846, 313998, 343269, 457692, 470997, 627996, 686538, 941994, 1373076, 1883988, 2250319, 4500638, 6750957, 9001276, 13501914, 20252871, 27003828, 40505742, 81011484]

約数ペア:

[(1, 81011484), (2, 40505742), (3, 27003828), (4, 20252871), (6, 13501914), (9, 9001276), (12, 6750957), (18, 4500638), (36, 2250319), (43, 1883988), (59, 1373076), (86, 941994), (118, 686538), (129, 627996), (172, 470997), (177, 457692), (236, 343269), (258, 313998), (354, 228846), (387, 209332), (516, 156999), (531, 152564), (708, 114423), (774, 104666), (887, 91332), (1062, 76282), (1548, 52333), (1774, 45666), (2124, 38141), (2537, 31932), (2661, 30444), (3548, 22833), (5074, 15966), (5322, 15222), (7611, 10644), (7983, 10148)]