888937790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1993}}^1$

素因数の和:2133

約数の個数: 64

約数和(自身を含む): 1784837376

約数和(自身を除く): 895899586

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 73, 94, 130, 146, 235, 365, 470, 611, 730, 949, 1222, 1898, 1993, 3055, 3431, 3986, 4745, 6110, 6862, 9490, 9965, 17155, 19930, 25909, 34310, 44603, 51818, 89206, 93671, 129545, 145489, 187342, 223015, 259090, 290978, 446030, 468355, 727445, 936710, 1217723, 1454890, 1891357, 2435446, 3782714, 6088615, 6837983, 9456785, 12177230, 13675966, 18913570, 34189915, 68379830, 88893779, 177787558, 444468895, 888937790]

約数ペア:

[(1, 888937790), (2, 444468895), (5, 177787558), (10, 88893779), (13, 68379830), (26, 34189915), (47, 18913570), (65, 13675966), (73, 12177230), (94, 9456785), (130, 6837983), (146, 6088615), (235, 3782714), (365, 2435446), (470, 1891357), (611, 1454890), (730, 1217723), (949, 936710), (1222, 727445), (1898, 468355), (1993, 446030), (3055, 290978), (3431, 259090), (3986, 223015), (4745, 187342), (6110, 145489), (6862, 129545), (9490, 93671), (9965, 89206), (17155, 51818), (19930, 44603), (25909, 34310)]