3988816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:299

約数の個数: 40

約数和(自身を含む): 8443904

約数和(自身を除く): 4455088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 151, 208, 254, 302, 508, 604, 1016, 1208, 1651, 1963, 2032, 2416, 3302, 3926, 6604, 7852, 13208, 15704, 19177, 26416, 31408, 38354, 76708, 153416, 249301, 306832, 498602, 997204, 1994408, 3988816]

約数ペア:

[(1, 3988816), (2, 1994408), (4, 997204), (8, 498602), (13, 306832), (16, 249301), (26, 153416), (52, 76708), (104, 38354), (127, 31408), (151, 26416), (208, 19177), (254, 15704), (302, 13208), (508, 7852), (604, 6604), (1016, 3926), (1208, 3302), (1651, 2416), (1963, 2032)]