199403728

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{2659}}^1$

素因数の和:2819

約数の個数: 40

約数和(自身を含む): 399106400

約数和(自身を除く): 199702672

約数列:

[1, 2, 4, 8, 16, 43, 86, 109, 172, 218, 344, 436, 688, 872, 1744, 2659, 4687, 5318, 9374, 10636, 18748, 21272, 37496, 42544, 74992, 114337, 228674, 289831, 457348, 579662, 914696, 1159324, 1829392, 2318648, 4637296, 12462733, 24925466, 49850932, 99701864, 199403728]

約数ペア:

[(1, 199403728), (2, 99701864), (4, 49850932), (8, 24925466), (16, 12462733), (43, 4637296), (86, 2318648), (109, 1829392), (172, 1159324), (218, 914696), (344, 579662), (436, 457348), (688, 289831), (872, 228674), (1744, 114337), (2659, 74992), (4687, 42544), (5318, 37496), (9374, 21272), (10636, 18748)]