208169637

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 313694208

約数和(自身を除く): 105524571

約数列:

[1, 3, 13, 39, 53, 61, 127, 159, 169, 183, 381, 507, 689, 793, 1651, 2067, 2379, 3233, 4953, 6731, 7747, 8957, 9699, 10309, 20193, 21463, 23241, 26871, 30927, 42029, 64389, 87503, 100711, 126087, 262509, 302133, 410591, 546377, 1137539, 1231773, 1309243, 1639131, 3412617, 3927729, 5337683, 16013049, 69389879, 208169637]

約数ペア:

[(1, 208169637), (3, 69389879), (13, 16013049), (39, 5337683), (53, 3927729), (61, 3412617), (127, 1639131), (159, 1309243), (169, 1231773), (183, 1137539), (381, 546377), (507, 410591), (689, 302133), (793, 262509), (1651, 126087), (2067, 100711), (2379, 87503), (3233, 64389), (4953, 42029), (6731, 30927), (7747, 26871), (8957, 23241), (9699, 21463), (10309, 20193)]