221057642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1\times {\mathrm{383}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 363847680

約数和(自身を除く): 142790038

約数列:

[1, 2, 13, 26, 79, 158, 281, 383, 562, 766, 1027, 2054, 3653, 4979, 7306, 9958, 22199, 30257, 44398, 60514, 107623, 215246, 288587, 393341, 577174, 786682, 1399099, 2798198, 8502217, 17004434, 110528821, 221057642]

約数ペア:

[(1, 221057642), (2, 110528821), (13, 17004434), (26, 8502217), (79, 2798198), (158, 1399099), (281, 786682), (383, 577174), (562, 393341), (766, 288587), (1027, 215246), (2054, 107623), (3653, 60514), (4979, 44398), (7306, 30257), (9958, 22199)]