71223828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2801}}^1$

素因数の和:2984

約数の個数: 48

約数和(自身を含む): 180134976

約数和(自身を除く): 108911148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 163, 326, 489, 652, 978, 1956, 2119, 2801, 4238, 5602, 6357, 8403, 8476, 11204, 12714, 16806, 25428, 33612, 36413, 72826, 109239, 145652, 218478, 436956, 456563, 913126, 1369689, 1826252, 2739378, 5478756, 5935319, 11870638, 17805957, 23741276, 35611914, 71223828]

約数ペア:

[(1, 71223828), (2, 35611914), (3, 23741276), (4, 17805957), (6, 11870638), (12, 5935319), (13, 5478756), (26, 2739378), (39, 1826252), (52, 1369689), (78, 913126), (156, 456563), (163, 436956), (326, 218478), (489, 145652), (652, 109239), (978, 72826), (1956, 36413), (2119, 33612), (2801, 25428), (4238, 16806), (5602, 12714), (6357, 11204), (8403, 8476)]