251264988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{536891}}^1$

素因数の和:536914

約数の個数: 36

約数和(自身を含む): 684000408

約数和(自身を除く): 432735420

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 536891, 1073782, 1610673, 2147564, 3221346, 4832019, 6442692, 6979583, 9664038, 13959166, 19328076, 20938749, 27918332, 41877498, 62816247, 83754996, 125632494, 251264988]

約数ペア:

[(1, 251264988), (2, 125632494), (3, 83754996), (4, 62816247), (6, 41877498), (9, 27918332), (12, 20938749), (13, 19328076), (18, 13959166), (26, 9664038), (36, 6979583), (39, 6442692), (52, 4832019), (78, 3221346), (117, 2147564), (156, 1610673), (234, 1073782), (468, 536891)]