198503998

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2069}}^1$

素因数の和:2185

約数の個数: 48

約数和(自身を含む): 382287600

約数和(自身を除く): 183783602

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 89, 98, 154, 178, 539, 623, 979, 1078, 1246, 1958, 2069, 4138, 4361, 6853, 8722, 13706, 14483, 22759, 28966, 45518, 47971, 95942, 101381, 159313, 184141, 202762, 318626, 368282, 1115191, 1288987, 2025551, 2230382, 2577974, 4051102, 9022909, 14178857, 18045818, 28357714, 99251999, 198503998]

約数ペア:

[(1, 198503998), (2, 99251999), (7, 28357714), (11, 18045818), (14, 14178857), (22, 9022909), (49, 4051102), (77, 2577974), (89, 2230382), (98, 2025551), (154, 1288987), (178, 1115191), (539, 368282), (623, 318626), (979, 202762), (1078, 184141), (1246, 159313), (1958, 101381), (2069, 95942), (4138, 47971), (4361, 45518), (6853, 28966), (8722, 22759), (13706, 14483)]