215458308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14851}}^1$

素因数の和:14905

約数の個数: 72

約数和(自身を含む): 605486336

約数和(自身を除く): 390028028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 14851, 29702, 44553, 59404, 89106, 133659, 178212, 193063, 267318, 386126, 460381, 534636, 579189, 772252, 920762, 1158378, 1381143, 1737567, 1841524, 2316756, 2762286, 3475134, 4143429, 5524572, 5984953, 6950268, 8286858, 11969906, 16573716, 17954859, 23939812, 35909718, 53864577, 71819436, 107729154, 215458308]

約数ペア:

[(1, 215458308), (2, 107729154), (3, 71819436), (4, 53864577), (6, 35909718), (9, 23939812), (12, 17954859), (13, 16573716), (18, 11969906), (26, 8286858), (31, 6950268), (36, 5984953), (39, 5524572), (52, 4143429), (62, 3475134), (78, 2762286), (93, 2316756), (117, 1841524), (124, 1737567), (156, 1381143), (186, 1158378), (234, 920762), (279, 772252), (372, 579189), (403, 534636), (468, 460381), (558, 386126), (806, 267318), (1116, 193063), (1209, 178212), (1612, 133659), (2418, 89106), (3627, 59404), (4836, 44553), (7254, 29702), (14508, 14851)]