215517276

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3313}}^1$

素因数の和:3475

約数の個数: 72

約数和(自身を含む): 591085040

約数和(自身を除く): 375567764

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 417, 468, 556, 834, 1251, 1668, 1807, 2502, 3313, 3614, 5004, 5421, 6626, 7228, 9939, 10842, 13252, 16263, 19878, 21684, 29817, 32526, 39756, 43069, 59634, 65052, 86138, 119268, 129207, 172276, 258414, 387621, 460507, 516828, 775242, 921014, 1381521, 1550484, 1842028, 2763042, 4144563, 5526084, 5986591, 8289126, 11973182, 16578252, 17959773, 23946364, 35919546, 53879319, 71839092, 107758638, 215517276]

約数ペア:

[(1, 215517276), (2, 107758638), (3, 71839092), (4, 53879319), (6, 35919546), (9, 23946364), (12, 17959773), (13, 16578252), (18, 11973182), (26, 8289126), (36, 5986591), (39, 5526084), (52, 4144563), (78, 2763042), (117, 1842028), (139, 1550484), (156, 1381521), (234, 921014), (278, 775242), (417, 516828), (468, 460507), (556, 387621), (834, 258414), (1251, 172276), (1668, 129207), (1807, 119268), (2502, 86138), (3313, 65052), (3614, 59634), (5004, 43069), (5421, 39756), (6626, 32526), (7228, 29817), (9939, 21684), (10842, 19878), (13252, 16263)]