1639764

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{241}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 4932928

約数和(自身を除く): 3293164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 241, 243, 252, 324, 378, 482, 486, 567, 723, 756, 964, 972, 1134, 1446, 1687, 1701, 2169, 2268, 2892, 3374, 3402, 4338, 5061, 6507, 6748, 6804, 8676, 10122, 13014, 15183, 19521, 20244, 26028, 30366, 39042, 45549, 58563, 60732, 78084, 91098, 117126, 136647, 182196, 234252, 273294, 409941, 546588, 819882, 1639764]

約数ペア:

[(1, 1639764), (2, 819882), (3, 546588), (4, 409941), (6, 273294), (7, 234252), (9, 182196), (12, 136647), (14, 117126), (18, 91098), (21, 78084), (27, 60732), (28, 58563), (36, 45549), (42, 39042), (54, 30366), (63, 26028), (81, 20244), (84, 19521), (108, 15183), (126, 13014), (162, 10122), (189, 8676), (241, 6804), (243, 6748), (252, 6507), (324, 5061), (378, 4338), (482, 3402), (486, 3374), (567, 2892), (723, 2268), (756, 2169), (964, 1701), (972, 1687), (1134, 1446)]