161759502

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1979}}^1$

素因数の和:2245

約数の個数: 48

約数和(自身を含む): 370656000

約数和(自身を除く): 208896498

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 239, 342, 478, 717, 1434, 1979, 2151, 3958, 4302, 4541, 5937, 9082, 11874, 13623, 17811, 27246, 35622, 37601, 40869, 75202, 81738, 112803, 225606, 338409, 472981, 676818, 945962, 1418943, 2837886, 4256829, 8513658, 8986639, 17973278, 26959917, 53919834, 80879751, 161759502]

約数ペア:

[(1, 161759502), (2, 80879751), (3, 53919834), (6, 26959917), (9, 17973278), (18, 8986639), (19, 8513658), (38, 4256829), (57, 2837886), (114, 1418943), (171, 945962), (239, 676818), (342, 472981), (478, 338409), (717, 225606), (1434, 112803), (1979, 81738), (2151, 75202), (3958, 40869), (4302, 37601), (4541, 35622), (5937, 27246), (9082, 17811), (11874, 13623)]