1291238837

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{8363}}^1$

素因数の和:8537

約数の個数: 24

約数和(自身を含む): 1578989376

約数和(自身を除く): 287750539

約数列:

[1, 7, 23, 49, 137, 161, 959, 1127, 3151, 6713, 8363, 22057, 58541, 154399, 192349, 409787, 1145731, 1346443, 8020117, 9425101, 26351813, 56140819, 184462691, 1291238837]

約数ペア:

[(1, 1291238837), (7, 184462691), (23, 56140819), (49, 26351813), (137, 9425101), (161, 8020117), (959, 1346443), (1127, 1145731), (3151, 409787), (6713, 192349), (8363, 154399), (22057, 58541)]