30979952

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1305

約数の個数: 40

約数和(自身を含む): 63131376

約数和(自身を除く): 32151424

約数列:

[1, 2, 4, 8, 16, 37, 43, 74, 86, 148, 172, 296, 344, 592, 688, 1217, 1591, 2434, 3182, 4868, 6364, 9736, 12728, 19472, 25456, 45029, 52331, 90058, 104662, 180116, 209324, 360232, 418648, 720464, 837296, 1936247, 3872494, 7744988, 15489976, 30979952]

約数ペア:

[(1, 30979952), (2, 15489976), (4, 7744988), (8, 3872494), (16, 1936247), (37, 837296), (43, 720464), (74, 418648), (86, 360232), (148, 209324), (172, 180116), (296, 104662), (344, 90058), (592, 52331), (688, 45029), (1217, 25456), (1591, 19472), (2434, 12728), (3182, 9736), (4868, 6364)]