212439968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1213}}^1$

素因数の和:1657

約数の個数: 48

約数和(自身を含む): 451855656

約数和(自身を除く): 239415688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 421, 842, 1213, 1684, 2426, 3368, 4852, 5473, 6736, 9704, 10946, 13472, 15769, 19408, 21892, 31538, 38816, 43784, 63076, 87568, 126152, 175136, 252304, 504608, 510673, 1021346, 2042692, 4085384, 6638749, 8170768, 13277498, 16341536, 26554996, 53109992, 106219984, 212439968]

約数ペア:

[(1, 212439968), (2, 106219984), (4, 53109992), (8, 26554996), (13, 16341536), (16, 13277498), (26, 8170768), (32, 6638749), (52, 4085384), (104, 2042692), (208, 1021346), (416, 510673), (421, 504608), (842, 252304), (1213, 175136), (1684, 126152), (2426, 87568), (3368, 63076), (4852, 43784), (5473, 38816), (6736, 31538), (9704, 21892), (10946, 19408), (13472, 15769)]