28917330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1399}}^1$

素因数の和:1475

約数の個数: 64

約数和(自身を含む): 76204800

約数和(自身を除く): 47287470

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 53, 65, 78, 106, 130, 159, 195, 265, 318, 390, 530, 689, 795, 1378, 1399, 1590, 2067, 2798, 3445, 4134, 4197, 6890, 6995, 8394, 10335, 13990, 18187, 20670, 20985, 36374, 41970, 54561, 74147, 90935, 109122, 148294, 181870, 222441, 272805, 370735, 444882, 545610, 741470, 963911, 1112205, 1927822, 2224410, 2891733, 4819555, 5783466, 9639110, 14458665, 28917330]

約数ペア:

[(1, 28917330), (2, 14458665), (3, 9639110), (5, 5783466), (6, 4819555), (10, 2891733), (13, 2224410), (15, 1927822), (26, 1112205), (30, 963911), (39, 741470), (53, 545610), (65, 444882), (78, 370735), (106, 272805), (130, 222441), (159, 181870), (195, 148294), (265, 109122), (318, 90935), (390, 74147), (530, 54561), (689, 41970), (795, 36374), (1378, 20985), (1399, 20670), (1590, 18187), (2067, 13990), (2798, 10335), (3445, 8394), (4134, 6995), (4197, 6890)]