28812455

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1171}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 42754560

約数和(自身を除く): 13942105

約数列:

[1, 5, 7, 19, 35, 37, 95, 133, 185, 259, 665, 703, 1171, 1295, 3515, 4921, 5855, 8197, 22249, 24605, 40985, 43327, 111245, 155743, 216635, 303289, 778715, 823213, 1516445, 4116065, 5762491, 28812455]

約数ペア:

[(1, 28812455), (5, 5762491), (7, 4116065), (19, 1516445), (35, 823213), (37, 778715), (95, 303289), (133, 216635), (185, 155743), (259, 111245), (665, 43327), (703, 40985), (1171, 24605), (1295, 22249), (3515, 8197), (4921, 5855)]