28209558

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{8821}}^1$

素因数の和:8880

約数の個数: 32

約数和(自身を含む): 62248032

約数和(自身を除く): 34038474

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 8821, 17642, 26463, 52926, 114673, 229346, 344019, 361661, 688038, 723322, 1084983, 2169966, 4701593, 9403186, 14104779, 28209558]

約数ペア:

[(1, 28209558), (2, 14104779), (3, 9403186), (6, 4701593), (13, 2169966), (26, 1084983), (39, 723322), (41, 688038), (78, 361661), (82, 344019), (123, 229346), (246, 114673), (533, 52926), (1066, 26463), (1599, 17642), (3198, 8821)]