13118890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 24675840

約数和(自身を除く): 11556950

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 419, 505, 838, 1010, 2095, 3131, 4190, 6262, 12989, 15655, 25978, 31310, 42319, 64945, 84638, 129890, 211595, 423190, 1311889, 2623778, 6559445, 13118890]

約数ペア:

[(1, 13118890), (2, 6559445), (5, 2623778), (10, 1311889), (31, 423190), (62, 211595), (101, 129890), (155, 84638), (202, 64945), (310, 42319), (419, 31310), (505, 25978), (838, 15655), (1010, 12989), (2095, 6262), (3131, 4190)]