208347988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 394377984

約数和(自身を除く): 186029996

約数列:

[1, 2, 4, 17, 34, 68, 103, 151, 197, 206, 302, 394, 412, 604, 788, 1751, 2567, 3349, 3502, 5134, 6698, 7004, 10268, 13396, 15553, 20291, 29747, 31106, 40582, 59494, 62212, 81164, 118988, 264401, 344947, 505699, 528802, 689894, 1011398, 1057604, 1379788, 2022796, 3063941, 6127882, 12255764, 52086997, 104173994, 208347988]

約数ペア:

[(1, 208347988), (2, 104173994), (4, 52086997), (17, 12255764), (34, 6127882), (68, 3063941), (103, 2022796), (151, 1379788), (197, 1057604), (206, 1011398), (302, 689894), (394, 528802), (412, 505699), (604, 344947), (788, 264401), (1751, 118988), (2567, 81164), (3349, 62212), (3502, 59494), (5134, 40582), (6698, 31106), (7004, 29747), (10268, 20291), (13396, 15553)]