1221680452

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{7603}}^1$

素因数の和:7780

約数の個数: 36

約数和(自身を含む): 2287739440

約数和(自身を除く): 1066058988

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 289, 556, 578, 1156, 2363, 4726, 7603, 9452, 15206, 30412, 40171, 80342, 129251, 160684, 258502, 517004, 1056817, 2113634, 2197267, 4227268, 4394534, 8789068, 17965889, 35931778, 71863556, 305420113, 610840226, 1221680452]

約数ペア:

[(1, 1221680452), (2, 610840226), (4, 305420113), (17, 71863556), (34, 35931778), (68, 17965889), (139, 8789068), (278, 4394534), (289, 4227268), (556, 2197267), (578, 2113634), (1156, 1056817), (2363, 517004), (4726, 258502), (7603, 160684), (9452, 129251), (15206, 80342), (30412, 40171)]