28947384

素因数分解:

$2^3\times 3^2\times {\mathrm{409}}^1\times {\mathrm{983}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 78670800

約数和(自身を除く): 49723416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 409, 818, 983, 1227, 1636, 1966, 2454, 2949, 3272, 3681, 3932, 4908, 5898, 7362, 7864, 8847, 9816, 11796, 14724, 17694, 23592, 29448, 35388, 70776, 402047, 804094, 1206141, 1608188, 2412282, 3216376, 3618423, 4824564, 7236846, 9649128, 14473692, 28947384]

約数ペア:

[(1, 28947384), (2, 14473692), (3, 9649128), (4, 7236846), (6, 4824564), (8, 3618423), (9, 3216376), (12, 2412282), (18, 1608188), (24, 1206141), (36, 804094), (72, 402047), (409, 70776), (818, 35388), (983, 29448), (1227, 23592), (1636, 17694), (1966, 14724), (2454, 11796), (2949, 9816), (3272, 8847), (3681, 7864), (3932, 7362), (4908, 5898)]