725348416

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28123}}^1$

素因数の和:28179

約数の個数: 56

約数和(自身を含む): 1600143104

約数和(自身を除く): 874794688

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1984, 3224, 6448, 12896, 25792, 28123, 56246, 112492, 224984, 365599, 449968, 731198, 871813, 899936, 1462396, 1743626, 1799872, 2924792, 3487252, 5849584, 6974504, 11333569, 11699168, 13949008, 22667138, 23398336, 27898016, 45334276, 55796032, 90668552, 181337104, 362674208, 725348416]

約数ペア:

[(1, 725348416), (2, 362674208), (4, 181337104), (8, 90668552), (13, 55796032), (16, 45334276), (26, 27898016), (31, 23398336), (32, 22667138), (52, 13949008), (62, 11699168), (64, 11333569), (104, 6974504), (124, 5849584), (208, 3487252), (248, 2924792), (403, 1799872), (416, 1743626), (496, 1462396), (806, 899936), (832, 871813), (992, 731198), (1612, 449968), (1984, 365599), (3224, 224984), (6448, 112492), (12896, 56246), (25792, 28123)]