78111990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78901}}^1$

素因数の和:78925

約数の個数: 48

約数和(自身を含む): 221556816

約数和(自身を除く): 143444826

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 78901, 157802, 236703, 394505, 473406, 710109, 789010, 867911, 1183515, 1420218, 1735822, 2367030, 2603733, 3550545, 4339555, 5207466, 7101090, 7811199, 8679110, 13018665, 15622398, 26037330, 39055995, 78111990]

約数ペア:

[(1, 78111990), (2, 39055995), (3, 26037330), (5, 15622398), (6, 13018665), (9, 8679110), (10, 7811199), (11, 7101090), (15, 5207466), (18, 4339555), (22, 3550545), (30, 2603733), (33, 2367030), (45, 1735822), (55, 1420218), (66, 1183515), (90, 867911), (99, 789010), (110, 710109), (165, 473406), (198, 394505), (330, 236703), (495, 157802), (990, 78901)]