251575956

素因数分解:

$2^2\times 3^5\times {\mathrm{61}}^1\times {\mathrm{4243}}^1$

素因数の和:4323

約数の個数: 72

約数和(自身を含む): 670450144

約数和(自身を除く): 418874188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 243, 244, 324, 366, 486, 549, 732, 972, 1098, 1647, 2196, 3294, 4243, 4941, 6588, 8486, 9882, 12729, 14823, 16972, 19764, 25458, 29646, 38187, 50916, 59292, 76374, 114561, 152748, 229122, 258823, 343683, 458244, 517646, 687366, 776469, 1031049, 1035292, 1374732, 1552938, 2062098, 2329407, 3105876, 4124196, 4658814, 6988221, 9317628, 13976442, 20964663, 27952884, 41929326, 62893989, 83858652, 125787978, 251575956]

約数ペア:

[(1, 251575956), (2, 125787978), (3, 83858652), (4, 62893989), (6, 41929326), (9, 27952884), (12, 20964663), (18, 13976442), (27, 9317628), (36, 6988221), (54, 4658814), (61, 4124196), (81, 3105876), (108, 2329407), (122, 2062098), (162, 1552938), (183, 1374732), (243, 1035292), (244, 1031049), (324, 776469), (366, 687366), (486, 517646), (549, 458244), (732, 343683), (972, 258823), (1098, 229122), (1647, 152748), (2196, 114561), (3294, 76374), (4243, 59292), (4941, 50916), (6588, 38187), (8486, 29646), (9882, 25458), (12729, 19764), (14823, 16972)]