28626516

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 75688704

約数和(自身を除く): 47062188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 113, 124, 186, 226, 227, 279, 339, 372, 452, 454, 558, 678, 681, 908, 1017, 1116, 1356, 1362, 2034, 2043, 2724, 3503, 4068, 4086, 7006, 7037, 8172, 10509, 14012, 14074, 21018, 21111, 25651, 28148, 31527, 42036, 42222, 51302, 63054, 63333, 76953, 84444, 102604, 126108, 126666, 153906, 230859, 253332, 307812, 461718, 795181, 923436, 1590362, 2385543, 3180724, 4771086, 7156629, 9542172, 14313258, 28626516]

約数ペア:

[(1, 28626516), (2, 14313258), (3, 9542172), (4, 7156629), (6, 4771086), (9, 3180724), (12, 2385543), (18, 1590362), (31, 923436), (36, 795181), (62, 461718), (93, 307812), (113, 253332), (124, 230859), (186, 153906), (226, 126666), (227, 126108), (279, 102604), (339, 84444), (372, 76953), (452, 63333), (454, 63054), (558, 51302), (678, 42222), (681, 42036), (908, 31527), (1017, 28148), (1116, 25651), (1356, 21111), (1362, 21018), (2034, 14074), (2043, 14012), (2724, 10509), (3503, 8172), (4068, 7037), (4086, 7006)]