646855956

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1523

約数の個数: 120

約数和(自身を含む): 1794718464

約数和(自身を除く): 1147862508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 61, 69, 81, 92, 108, 122, 138, 162, 183, 207, 244, 276, 324, 366, 414, 549, 621, 732, 828, 1098, 1242, 1403, 1423, 1647, 1863, 2196, 2484, 2806, 2846, 3294, 3726, 4209, 4269, 4941, 5612, 5692, 6588, 7452, 8418, 8538, 9882, 12627, 12807, 16836, 17076, 19764, 25254, 25614, 32729, 37881, 38421, 50508, 51228, 65458, 75762, 76842, 86803, 98187, 113643, 115263, 130916, 151524, 153684, 173606, 196374, 227286, 230526, 260409, 294561, 347212, 392748, 454572, 461052, 520818, 589122, 781227, 883683, 1041636, 1178244, 1562454, 1767366, 1996469, 2343681, 2651049, 3124908, 3534732, 3992938, 4687362, 5302098, 5989407, 7031043, 7985876, 9374724, 10604196, 11978814, 14062086, 17968221, 23957628, 28124172, 35936442, 53904663, 71872884, 107809326, 161713989, 215618652, 323427978, 646855956]

約数ペア:

[(1, 646855956), (2, 323427978), (3, 215618652), (4, 161713989), (6, 107809326), (9, 71872884), (12, 53904663), (18, 35936442), (23, 28124172), (27, 23957628), (36, 17968221), (46, 14062086), (54, 11978814), (61, 10604196), (69, 9374724), (81, 7985876), (92, 7031043), (108, 5989407), (122, 5302098), (138, 4687362), (162, 3992938), (183, 3534732), (207, 3124908), (244, 2651049), (276, 2343681), (324, 1996469), (366, 1767366), (414, 1562454), (549, 1178244), (621, 1041636), (732, 883683), (828, 781227), (1098, 589122), (1242, 520818), (1403, 461052), (1423, 454572), (1647, 392748), (1863, 347212), (2196, 294561), (2484, 260409), (2806, 230526), (2846, 227286), (3294, 196374), (3726, 173606), (4209, 153684), (4269, 151524), (4941, 130916), (5612, 115263), (5692, 113643), (6588, 98187), (7452, 86803), (8418, 76842), (8538, 75762), (9882, 65458), (12627, 51228), (12807, 50508), (16836, 38421), (17076, 37881), (19764, 32729), (25254, 25614)]