1994558188

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1\times {\mathrm{1429}}^1$

素因数の和:2150

約数の個数: 48

約数和(自身を含む): 4048844800

約数和(自身を除く): 2054286612

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 631, 1106, 1262, 1429, 2212, 2524, 2858, 4417, 5716, 8834, 10003, 17668, 20006, 40012, 49849, 99698, 112891, 199396, 225782, 348943, 451564, 697886, 790237, 901699, 1395772, 1580474, 1803398, 3160948, 3606796, 6311893, 12623786, 25247572, 71234221, 142468442, 284936884, 498639547, 997279094, 1994558188]

約数ペア:

[(1, 1994558188), (2, 997279094), (4, 498639547), (7, 284936884), (14, 142468442), (28, 71234221), (79, 25247572), (158, 12623786), (316, 6311893), (553, 3606796), (631, 3160948), (1106, 1803398), (1262, 1580474), (1429, 1395772), (2212, 901699), (2524, 790237), (2858, 697886), (4417, 451564), (5716, 348943), (8834, 225782), (10003, 199396), (17668, 112891), (20006, 99698), (40012, 49849)]