1961307790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{887}}^1$

素因数の和:1213

約数の個数: 64

約数和(自身を含む): 3874905216

約数和(自身を除く): 1913597426

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 233, 365, 466, 730, 887, 949, 1165, 1774, 1898, 2330, 3029, 4435, 4745, 6058, 8870, 9490, 11531, 15145, 17009, 23062, 30290, 34018, 57655, 64751, 85045, 115310, 129502, 170090, 206671, 221117, 323755, 413342, 442234, 647510, 841763, 1033355, 1105585, 1683526, 2066710, 2211170, 2686723, 4208815, 5373446, 8417630, 13433615, 15086983, 26867230, 30173966, 75434915, 150869830, 196130779, 392261558, 980653895, 1961307790]

約数ペア:

[(1, 1961307790), (2, 980653895), (5, 392261558), (10, 196130779), (13, 150869830), (26, 75434915), (65, 30173966), (73, 26867230), (130, 15086983), (146, 13433615), (233, 8417630), (365, 5373446), (466, 4208815), (730, 2686723), (887, 2211170), (949, 2066710), (1165, 1683526), (1774, 1105585), (1898, 1033355), (2330, 841763), (3029, 647510), (4435, 442234), (4745, 413342), (6058, 323755), (8870, 221117), (9490, 206671), (11531, 170090), (15145, 129502), (17009, 115310), (23062, 85045), (30290, 64751), (34018, 57655)]