28781888

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:295

約数の個数: 56

約数和(自身を含む): 59984640

約数和(自身を除く): 31202752

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 89, 124, 163, 178, 248, 326, 356, 496, 652, 712, 992, 1304, 1424, 1984, 2608, 2759, 2848, 5053, 5216, 5518, 5696, 10106, 10432, 11036, 14507, 20212, 22072, 29014, 40424, 44144, 58028, 80848, 88288, 116056, 161696, 176576, 232112, 323392, 449717, 464224, 899434, 928448, 1798868, 3597736, 7195472, 14390944, 28781888]

約数ペア:

[(1, 28781888), (2, 14390944), (4, 7195472), (8, 3597736), (16, 1798868), (31, 928448), (32, 899434), (62, 464224), (64, 449717), (89, 323392), (124, 232112), (163, 176576), (178, 161696), (248, 116056), (326, 88288), (356, 80848), (496, 58028), (652, 44144), (712, 40424), (992, 29014), (1304, 22072), (1424, 20212), (1984, 14507), (2608, 11036), (2759, 10432), (2848, 10106), (5053, 5696), (5216, 5518)]