215880522

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251609}}^1$

素因数の和:251638

約数の個数: 32

約数和(自身を含む): 507245760

約数和(自身を除く): 291365238

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 251609, 503218, 754827, 1509654, 2767699, 3270917, 5535398, 6541834, 8303097, 9812751, 16606194, 19625502, 35980087, 71960174, 107940261, 215880522]

約数ペア:

[(1, 215880522), (2, 107940261), (3, 71960174), (6, 35980087), (11, 19625502), (13, 16606194), (22, 9812751), (26, 8303097), (33, 6541834), (39, 5535398), (66, 3270917), (78, 2767699), (143, 1509654), (286, 754827), (429, 503218), (858, 251609)]