199874918

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1424

約数の個数: 32

約数和(自身を含む): 322479360

約数和(自身を除く): 122604442

約数列:

[1, 2, 31, 41, 61, 62, 82, 122, 1271, 1289, 1891, 2501, 2542, 2578, 3782, 5002, 39959, 52849, 77531, 78629, 79918, 105698, 155062, 157258, 1638319, 2437499, 3223789, 3276638, 4874998, 6447578, 99937459, 199874918]

約数ペア:

[(1, 199874918), (2, 99937459), (31, 6447578), (41, 4874998), (61, 3276638), (62, 3223789), (82, 2437499), (122, 1638319), (1271, 157258), (1289, 155062), (1891, 105698), (2501, 79918), (2542, 78629), (2578, 77531), (3782, 52849), (5002, 39959)]