27991361951

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2357}}^1\times {\mathrm{4339}}^1$

素因数の和:6743

約数の個数: 32

約数和(自身を含む): 35367736320

約数和(自身を除く): 7376374369

約数列:

[1, 7, 17, 23, 119, 161, 391, 2357, 2737, 4339, 16499, 30373, 40069, 54211, 73763, 99797, 280483, 379477, 516341, 698579, 921587, 1696549, 6451109, 10227023, 11875843, 71589161, 173859391, 235221529, 1217015737, 1646550703, 3998765993, 27991361951]

約数ペア:

[(1, 27991361951), (7, 3998765993), (17, 1646550703), (23, 1217015737), (119, 235221529), (161, 173859391), (391, 71589161), (2357, 11875843), (2737, 10227023), (4339, 6451109), (16499, 1696549), (30373, 921587), (40069, 698579), (54211, 516341), (73763, 379477), (99797, 280483)]