31423470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:629

約数の個数: 64

約数和(自身を含む): 81829440

約数和(自身を除く): 50405970

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 197, 390, 394, 409, 591, 818, 985, 1182, 1227, 1970, 2045, 2454, 2561, 2955, 4090, 5122, 5317, 5910, 6135, 7683, 10634, 12270, 12805, 15366, 15951, 25610, 26585, 31902, 38415, 53170, 76830, 79755, 80573, 159510, 161146, 241719, 402865, 483438, 805730, 1047449, 1208595, 2094898, 2417190, 3142347, 5237245, 6284694, 10474490, 15711735, 31423470]

約数ペア:

[(1, 31423470), (2, 15711735), (3, 10474490), (5, 6284694), (6, 5237245), (10, 3142347), (13, 2417190), (15, 2094898), (26, 1208595), (30, 1047449), (39, 805730), (65, 483438), (78, 402865), (130, 241719), (195, 161146), (197, 159510), (390, 80573), (394, 79755), (409, 76830), (591, 53170), (818, 38415), (985, 31902), (1182, 26585), (1227, 25610), (1970, 15951), (2045, 15366), (2454, 12805), (2561, 12270), (2955, 10634), (4090, 7683), (5122, 6135), (5317, 5910)]