145199908

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{409}}^2$

素因数の和:860

約数の個数: 36

約数和(自身を含む): 300502272

約数和(自身を除く): 155302364

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 409, 434, 818, 868, 1636, 2863, 5726, 11452, 12679, 25358, 50716, 88753, 167281, 177506, 334562, 355012, 669124, 1170967, 2341934, 4683868, 5185711, 10371422, 20742844, 36299977, 72599954, 145199908]

約数ペア:

[(1, 145199908), (2, 72599954), (4, 36299977), (7, 20742844), (14, 10371422), (28, 5185711), (31, 4683868), (62, 2341934), (124, 1170967), (217, 669124), (409, 355012), (434, 334562), (818, 177506), (868, 167281), (1636, 88753), (2863, 50716), (5726, 25358), (11452, 12679)]