28873764

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 76560120

約数和(自身を除く): 47686356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 53, 74, 106, 111, 148, 159, 212, 222, 318, 333, 409, 444, 477, 636, 666, 818, 954, 1227, 1332, 1636, 1908, 1961, 2454, 3681, 3922, 4908, 5883, 7362, 7844, 11766, 14724, 15133, 17649, 21677, 23532, 30266, 35298, 43354, 45399, 60532, 65031, 70596, 86708, 90798, 130062, 136197, 181596, 195093, 260124, 272394, 390186, 544788, 780372, 802049, 1604098, 2406147, 3208196, 4812294, 7218441, 9624588, 14436882, 28873764]

約数ペア:

[(1, 28873764), (2, 14436882), (3, 9624588), (4, 7218441), (6, 4812294), (9, 3208196), (12, 2406147), (18, 1604098), (36, 802049), (37, 780372), (53, 544788), (74, 390186), (106, 272394), (111, 260124), (148, 195093), (159, 181596), (212, 136197), (222, 130062), (318, 90798), (333, 86708), (409, 70596), (444, 65031), (477, 60532), (636, 45399), (666, 43354), (818, 35298), (954, 30266), (1227, 23532), (1332, 21677), (1636, 17649), (1908, 15133), (1961, 14724), (2454, 11766), (3681, 7844), (3922, 7362), (4908, 5883)]