30991428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{66221}}^1$

素因数の和:66244

約数の個数: 36

約数和(自身を含む): 84366828

約数和(自身を除く): 53375400

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 66221, 132442, 198663, 264884, 397326, 595989, 794652, 860873, 1191978, 1721746, 2383956, 2582619, 3443492, 5165238, 7747857, 10330476, 15495714, 30991428]

約数ペア:

[(1, 30991428), (2, 15495714), (3, 10330476), (4, 7747857), (6, 5165238), (9, 3443492), (12, 2582619), (13, 2383956), (18, 1721746), (26, 1191978), (36, 860873), (39, 794652), (52, 595989), (78, 397326), (117, 264884), (156, 198663), (234, 132442), (468, 66221)]