71393672

素因数分解:

$2^3\times 7^1\times {\mathrm{521}}^1\times {\mathrm{2447}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 153342720

約数和(自身を除く): 81949048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 521, 1042, 2084, 2447, 3647, 4168, 4894, 7294, 9788, 14588, 17129, 19576, 29176, 34258, 68516, 137032, 1274887, 2549774, 5099548, 8924209, 10199096, 17848418, 35696836, 71393672]

約数ペア:

[(1, 71393672), (2, 35696836), (4, 17848418), (7, 10199096), (8, 8924209), (14, 5099548), (28, 2549774), (56, 1274887), (521, 137032), (1042, 68516), (2084, 34258), (2447, 29176), (3647, 19576), (4168, 17129), (4894, 14588), (7294, 9788)]