203947264

素因数分解:

$2^8\times {\mathrm{31}}^2\times {\mathrm{829}}^1$

素因数の和:907

約数の個数: 54

約数和(自身を含む): 421161090

約数和(自身を除く): 217213826

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 829, 961, 992, 1658, 1922, 1984, 3316, 3844, 3968, 6632, 7688, 7936, 13264, 15376, 25699, 26528, 30752, 51398, 53056, 61504, 102796, 106112, 123008, 205592, 212224, 246016, 411184, 796669, 822368, 1593338, 1644736, 3186676, 3289472, 6373352, 6578944, 12746704, 25493408, 50986816, 101973632, 203947264]

約数ペア:

[(1, 203947264), (2, 101973632), (4, 50986816), (8, 25493408), (16, 12746704), (31, 6578944), (32, 6373352), (62, 3289472), (64, 3186676), (124, 1644736), (128, 1593338), (248, 822368), (256, 796669), (496, 411184), (829, 246016), (961, 212224), (992, 205592), (1658, 123008), (1922, 106112), (1984, 102796), (3316, 61504), (3844, 53056), (3968, 51398), (6632, 30752), (7688, 26528), (7936, 25699), (13264, 15376)]