25213539

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 37767744

約数和(自身を除く): 12554205

約数列:

[1, 3, 13, 37, 39, 101, 111, 173, 303, 481, 519, 1313, 1443, 2249, 3737, 3939, 6401, 6747, 11211, 17473, 19203, 48581, 52419, 83213, 145743, 227149, 249639, 646501, 681447, 1939503, 8404513, 25213539]

約数ペア:

[(1, 25213539), (3, 8404513), (13, 1939503), (37, 681447), (39, 646501), (101, 249639), (111, 227149), (173, 145743), (303, 83213), (481, 52419), (519, 48581), (1313, 19203), (1443, 17473), (2249, 11211), (3737, 6747), (3939, 6401)]