399180706

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{977}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 648320112

約数和(自身を除く): 249139406

約数列:

[1, 2, 17, 34, 61, 122, 197, 394, 977, 1037, 1954, 2074, 3349, 6698, 12017, 16609, 24034, 33218, 59597, 119194, 192469, 204289, 384938, 408578, 1013149, 2026298, 3271973, 6543946, 11740609, 23481218, 199590353, 399180706]

約数ペア:

[(1, 399180706), (2, 199590353), (17, 23481218), (34, 11740609), (61, 6543946), (122, 3271973), (197, 2026298), (394, 1013149), (977, 408578), (1037, 384938), (1954, 204289), (2074, 192469), (3349, 119194), (6698, 59597), (12017, 33218), (16609, 24034)]