3878888

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 8344800

約数和(自身を除く): 4465912

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 151, 152, 169, 247, 302, 338, 494, 604, 676, 988, 1208, 1352, 1963, 1976, 2869, 3211, 3926, 5738, 6422, 7852, 11476, 12844, 15704, 22952, 25519, 25688, 37297, 51038, 74594, 102076, 149188, 204152, 298376, 484861, 969722, 1939444, 3878888]

約数ペア:

[(1, 3878888), (2, 1939444), (4, 969722), (8, 484861), (13, 298376), (19, 204152), (26, 149188), (38, 102076), (52, 74594), (76, 51038), (104, 37297), (151, 25688), (152, 25519), (169, 22952), (247, 15704), (302, 12844), (338, 11476), (494, 7852), (604, 6422), (676, 5738), (988, 3926), (1208, 3211), (1352, 2869), (1963, 1976)]