28211724

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{7759}}^1$

素因数の和:7870

約数の個数: 36

約数和(自身を含む): 72028320

約数和(自身を除く): 43816596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 202, 303, 404, 606, 909, 1212, 1818, 3636, 7759, 15518, 23277, 31036, 46554, 69831, 93108, 139662, 279324, 783659, 1567318, 2350977, 3134636, 4701954, 7052931, 9403908, 14105862, 28211724]

約数ペア:

[(1, 28211724), (2, 14105862), (3, 9403908), (4, 7052931), (6, 4701954), (9, 3134636), (12, 2350977), (18, 1567318), (36, 783659), (101, 279324), (202, 139662), (303, 93108), (404, 69831), (606, 46554), (909, 31036), (1212, 23277), (1818, 15518), (3636, 7759)]