15531776

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{359}}^1$

素因数の和:401

約数の個数: 54

約数和(自身を含む): 33664680

約数和(自身を除く): 18132904

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 359, 416, 676, 718, 832, 1352, 1436, 1664, 2704, 2872, 3328, 4667, 5408, 5744, 9334, 10816, 11488, 18668, 21632, 22976, 37336, 43264, 45952, 60671, 74672, 91904, 121342, 149344, 242684, 298688, 485368, 597376, 970736, 1194752, 1941472, 3882944, 7765888, 15531776]

約数ペア:

[(1, 15531776), (2, 7765888), (4, 3882944), (8, 1941472), (13, 1194752), (16, 970736), (26, 597376), (32, 485368), (52, 298688), (64, 242684), (104, 149344), (128, 121342), (169, 91904), (208, 74672), (256, 60671), (338, 45952), (359, 43264), (416, 37336), (676, 22976), (718, 21632), (832, 18668), (1352, 11488), (1436, 10816), (1664, 9334), (2704, 5744), (2872, 5408), (3328, 4667)]