28171908

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{13729}}^1$

素因数の和:13761

約数の個数: 48

約数和(自身を含む): 76888000

約数和(自身を除く): 48716092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 13729, 27458, 41187, 54916, 82374, 123561, 164748, 247122, 260851, 370683, 494244, 521702, 741366, 782553, 1043404, 1482732, 1565106, 2347659, 3130212, 4695318, 7042977, 9390636, 14085954, 28171908]

約数ペア:

[(1, 28171908), (2, 14085954), (3, 9390636), (4, 7042977), (6, 4695318), (9, 3130212), (12, 2347659), (18, 1565106), (19, 1482732), (27, 1043404), (36, 782553), (38, 741366), (54, 521702), (57, 494244), (76, 370683), (108, 260851), (114, 247122), (171, 164748), (228, 123561), (342, 82374), (513, 54916), (684, 41187), (1026, 27458), (2052, 13729)]