71528656

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:572

約数の個数: 60

約数和(自身を含む): 152272000

約数和(自身を除く): 80743344

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 289, 496, 499, 527, 578, 998, 1054, 1156, 1996, 2108, 2312, 3992, 4216, 4624, 7984, 8432, 8483, 8959, 15469, 16966, 17918, 30938, 33932, 35836, 61876, 67864, 71672, 123752, 135728, 143344, 144211, 247504, 262973, 288422, 525946, 576844, 1051892, 1153688, 2103784, 2307376, 4207568, 4470541, 8941082, 17882164, 35764328, 71528656]

約数ペア:

[(1, 71528656), (2, 35764328), (4, 17882164), (8, 8941082), (16, 4470541), (17, 4207568), (31, 2307376), (34, 2103784), (62, 1153688), (68, 1051892), (124, 576844), (136, 525946), (248, 288422), (272, 262973), (289, 247504), (496, 144211), (499, 143344), (527, 135728), (578, 123752), (998, 71672), (1054, 67864), (1156, 61876), (1996, 35836), (2108, 33932), (2312, 30938), (3992, 17918), (4216, 16966), (4624, 15469), (7984, 8959), (8432, 8483)]