256122

素因数分解:

$2^1\times 3^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:65

約数の個数: 48

約数和(自身を含む): 628992

約数和(自身を除く): 372870

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 31, 34, 51, 54, 62, 81, 93, 102, 153, 162, 186, 243, 279, 306, 459, 486, 527, 558, 837, 918, 1054, 1377, 1581, 1674, 2511, 2754, 3162, 4131, 4743, 5022, 7533, 8262, 9486, 14229, 15066, 28458, 42687, 85374, 128061, 256122]

約数ペア:

[(1, 256122), (2, 128061), (3, 85374), (6, 42687), (9, 28458), (17, 15066), (18, 14229), (27, 9486), (31, 8262), (34, 7533), (51, 5022), (54, 4743), (62, 4131), (81, 3162), (93, 2754), (102, 2511), (153, 1674), (162, 1581), (186, 1377), (243, 1054), (279, 918), (306, 837), (459, 558), (486, 527)]