161821330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{383}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 334430208

約数和(自身を除く): 172608878

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 167, 230, 253, 334, 383, 506, 766, 835, 1265, 1670, 1837, 1915, 2530, 3674, 3830, 3841, 4213, 7682, 8426, 8809, 9185, 17618, 18370, 19205, 21065, 38410, 42130, 42251, 44045, 63961, 84502, 88090, 96899, 127922, 193798, 211255, 319805, 422510, 484495, 639610, 703571, 968990, 1407142, 1471103, 2942206, 3517855, 7035710, 7355515, 14711030, 16182133, 32364266, 80910665, 161821330]

約数ペア:

[(1, 161821330), (2, 80910665), (5, 32364266), (10, 16182133), (11, 14711030), (22, 7355515), (23, 7035710), (46, 3517855), (55, 2942206), (110, 1471103), (115, 1407142), (167, 968990), (230, 703571), (253, 639610), (334, 484495), (383, 422510), (506, 319805), (766, 211255), (835, 193798), (1265, 127922), (1670, 96899), (1837, 88090), (1915, 84502), (2530, 63961), (3674, 44045), (3830, 42251), (3841, 42130), (4213, 38410), (7682, 21065), (8426, 19205), (8809, 18370), (9185, 17618)]