15821408

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 17200672

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 82, 124, 164, 248, 328, 389, 496, 656, 778, 992, 1271, 1312, 1556, 2542, 3112, 5084, 6224, 10168, 12059, 12448, 15949, 20336, 24118, 31898, 40672, 48236, 63796, 96472, 127592, 192944, 255184, 385888, 494419, 510368, 988838, 1977676, 3955352, 7910704, 15821408]

約数ペア:

[(1, 15821408), (2, 7910704), (4, 3955352), (8, 1977676), (16, 988838), (31, 510368), (32, 494419), (41, 385888), (62, 255184), (82, 192944), (124, 127592), (164, 96472), (248, 63796), (328, 48236), (389, 40672), (496, 31898), (656, 24118), (778, 20336), (992, 15949), (1271, 12448), (1312, 12059), (1556, 10168), (2542, 6224), (3112, 5084)]