263928132

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{20887}}^1$

素因数の和:20919

約数の個数: 72

約数和(自身を含む): 745116736

約数和(自身を除く): 481188604

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 2106, 3159, 4212, 6318, 12636, 20887, 41774, 62661, 83548, 125322, 187983, 250644, 271531, 375966, 543062, 563949, 751932, 814593, 1086124, 1127898, 1629186, 1691847, 2255796, 2443779, 3258372, 3383694, 4887558, 5075541, 6767388, 7331337, 9775116, 10151082, 14662674, 20302164, 21994011, 29325348, 43988022, 65982033, 87976044, 131964066, 263928132]

約数ペア:

[(1, 263928132), (2, 131964066), (3, 87976044), (4, 65982033), (6, 43988022), (9, 29325348), (12, 21994011), (13, 20302164), (18, 14662674), (26, 10151082), (27, 9775116), (36, 7331337), (39, 6767388), (52, 5075541), (54, 4887558), (78, 3383694), (81, 3258372), (108, 2443779), (117, 2255796), (156, 1691847), (162, 1629186), (234, 1127898), (243, 1086124), (324, 814593), (351, 751932), (468, 563949), (486, 543062), (702, 375966), (972, 271531), (1053, 250644), (1404, 187983), (2106, 125322), (3159, 83548), (4212, 62661), (6318, 41774), (12636, 20887)]