129995648

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{181}}^2$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 268814880

約数和(自身を除く): 138819232

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 181, 248, 362, 496, 724, 992, 1448, 1984, 2896, 3968, 5611, 5792, 11222, 11584, 22444, 23168, 32761, 44888, 65522, 89776, 131044, 179552, 262088, 359104, 524176, 718208, 1015591, 1048352, 2031182, 2096704, 4062364, 4193408, 8124728, 16249456, 32498912, 64997824, 129995648]

約数ペア:

[(1, 129995648), (2, 64997824), (4, 32498912), (8, 16249456), (16, 8124728), (31, 4193408), (32, 4062364), (62, 2096704), (64, 2031182), (124, 1048352), (128, 1015591), (181, 718208), (248, 524176), (362, 359104), (496, 262088), (724, 179552), (992, 131044), (1448, 89776), (1984, 65522), (2896, 44888), (3968, 32761), (5611, 23168), (5792, 22444), (11222, 11584)]