8001968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 80

約数和(自身を含む): 18498816

約数和(自身を除く): 10496848

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 73, 104, 124, 136, 146, 208, 221, 248, 272, 292, 403, 442, 496, 527, 584, 806, 884, 949, 1054, 1168, 1241, 1612, 1768, 1898, 2108, 2263, 2482, 3224, 3536, 3796, 4216, 4526, 4964, 6448, 6851, 7592, 8432, 9052, 9928, 13702, 15184, 16133, 18104, 19856, 27404, 29419, 32266, 36208, 38471, 54808, 58838, 64532, 76942, 109616, 117676, 129064, 153884, 235352, 258128, 307768, 470704, 500123, 615536, 1000246, 2000492, 4000984, 8001968]

約数ペア:

[(1, 8001968), (2, 4000984), (4, 2000492), (8, 1000246), (13, 615536), (16, 500123), (17, 470704), (26, 307768), (31, 258128), (34, 235352), (52, 153884), (62, 129064), (68, 117676), (73, 109616), (104, 76942), (124, 64532), (136, 58838), (146, 54808), (208, 38471), (221, 36208), (248, 32266), (272, 29419), (292, 27404), (403, 19856), (442, 18104), (496, 16133), (527, 15184), (584, 13702), (806, 9928), (884, 9052), (949, 8432), (1054, 7592), (1168, 6851), (1241, 6448), (1612, 4964), (1768, 4526), (1898, 4216), (2108, 3796), (2263, 3536), (2482, 3224)]