290950996

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4243}}^1$

素因数の和:4364

約数の個数: 48

約数和(自身を含む): 608419840

約数和(自身を除く): 317468844

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 79, 124, 158, 217, 316, 434, 553, 868, 1106, 2212, 2449, 4243, 4898, 8486, 9796, 16972, 17143, 29701, 34286, 59402, 68572, 118804, 131533, 263066, 335197, 526132, 670394, 920731, 1340788, 1841462, 2346379, 3682924, 4692758, 9385516, 10391107, 20782214, 41564428, 72737749, 145475498, 290950996]

約数ペア:

[(1, 290950996), (2, 145475498), (4, 72737749), (7, 41564428), (14, 20782214), (28, 10391107), (31, 9385516), (62, 4692758), (79, 3682924), (124, 2346379), (158, 1841462), (217, 1340788), (316, 920731), (434, 670394), (553, 526132), (868, 335197), (1106, 263066), (2212, 131533), (2449, 118804), (4243, 68572), (4898, 59402), (8486, 34286), (9796, 29701), (16972, 17143)]