138626641

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 158630400

約数和(自身を除く): 20003759

約数列:

[1, 19, 29, 47, 53, 101, 551, 893, 1007, 1363, 1537, 1919, 2491, 2929, 4747, 5353, 25897, 29203, 47329, 55651, 72239, 90193, 101707, 137663, 155237, 251591, 1372541, 2615597, 2949503, 4780229, 7296139, 138626641]

約数ペア:

[(1, 138626641), (19, 7296139), (29, 4780229), (47, 2949503), (53, 2615597), (101, 1372541), (551, 251591), (893, 155237), (1007, 137663), (1363, 101707), (1537, 90193), (1919, 72239), (2491, 55651), (2929, 47329), (4747, 29203), (5353, 25897)]