28779324

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{863}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 77027328

約数和(自身を除く): 48248004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 397, 794, 863, 1191, 1588, 1726, 2382, 2589, 2779, 3452, 4764, 5178, 5558, 6041, 8337, 10356, 11116, 12082, 16674, 18123, 24164, 33348, 36246, 72492, 342611, 685222, 1027833, 1370444, 2055666, 2398277, 4111332, 4796554, 7194831, 9593108, 14389662, 28779324]

約数ペア:

[(1, 28779324), (2, 14389662), (3, 9593108), (4, 7194831), (6, 4796554), (7, 4111332), (12, 2398277), (14, 2055666), (21, 1370444), (28, 1027833), (42, 685222), (84, 342611), (397, 72492), (794, 36246), (863, 33348), (1191, 24164), (1588, 18123), (1726, 16674), (2382, 12082), (2589, 11116), (2779, 10356), (3452, 8337), (4764, 6041), (5178, 5558)]