28651490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1031}}^1$

素因数の和:1442

約数の個数: 32

約数和(自身を含む): 59145984

約数和(自身を除く): 30494494

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1031, 1985, 2062, 2779, 3970, 5155, 5558, 7217, 10310, 13895, 14434, 27790, 36085, 72170, 409307, 818614, 2046535, 2865149, 4093070, 5730298, 14325745, 28651490]

約数ペア:

[(1, 28651490), (2, 14325745), (5, 5730298), (7, 4093070), (10, 2865149), (14, 2046535), (35, 818614), (70, 409307), (397, 72170), (794, 36085), (1031, 27790), (1985, 14434), (2062, 13895), (2779, 10310), (3970, 7217), (5155, 5558)]