1639404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 4647552

約数和(自身を除く): 3008148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 113, 117, 124, 156, 186, 226, 234, 279, 339, 372, 403, 452, 468, 558, 678, 806, 1017, 1116, 1209, 1356, 1469, 1612, 2034, 2418, 2938, 3503, 3627, 4068, 4407, 4836, 5876, 7006, 7254, 8814, 10509, 13221, 14012, 14508, 17628, 21018, 26442, 31527, 42036, 45539, 52884, 63054, 91078, 126108, 136617, 182156, 273234, 409851, 546468, 819702, 1639404]

約数ペア:

[(1, 1639404), (2, 819702), (3, 546468), (4, 409851), (6, 273234), (9, 182156), (12, 136617), (13, 126108), (18, 91078), (26, 63054), (31, 52884), (36, 45539), (39, 42036), (52, 31527), (62, 26442), (78, 21018), (93, 17628), (113, 14508), (117, 14012), (124, 13221), (156, 10509), (186, 8814), (226, 7254), (234, 7006), (279, 5876), (339, 4836), (372, 4407), (403, 4068), (452, 3627), (468, 3503), (558, 2938), (678, 2418), (806, 2034), (1017, 1612), (1116, 1469), (1209, 1356)]