30990638

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{101}}^2$

素因数の和:249

約数の個数: 36

約数和(自身を含む): 56378016

約数和(自身を除く): 25387378

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 101, 202, 217, 434, 707, 1414, 1519, 3038, 3131, 4949, 6262, 9898, 10201, 20402, 21917, 43834, 71407, 142814, 153419, 306838, 316231, 499849, 632462, 999698, 2213617, 4427234, 15495319, 30990638]

約数ペア:

[(1, 30990638), (2, 15495319), (7, 4427234), (14, 2213617), (31, 999698), (49, 632462), (62, 499849), (98, 316231), (101, 306838), (202, 153419), (217, 142814), (434, 71407), (707, 43834), (1414, 21917), (1519, 20402), (3038, 10201), (3131, 9898), (4949, 6262)]