28572732

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1129}}^1$

素因数の和:1195

約数の個数: 72

約数和(自身を含む): 78150800

約数和(自身を除く): 49578068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 1129, 1332, 1406, 2109, 2258, 2812, 3387, 4218, 4516, 6327, 6774, 8436, 10161, 12654, 13548, 20322, 21451, 25308, 40644, 41773, 42902, 64353, 83546, 85804, 125319, 128706, 167092, 193059, 250638, 257412, 375957, 386118, 501276, 751914, 772236, 793687, 1503828, 1587374, 2381061, 3174748, 4762122, 7143183, 9524244, 14286366, 28572732]

約数ペア:

[(1, 28572732), (2, 14286366), (3, 9524244), (4, 7143183), (6, 4762122), (9, 3174748), (12, 2381061), (18, 1587374), (19, 1503828), (36, 793687), (37, 772236), (38, 751914), (57, 501276), (74, 386118), (76, 375957), (111, 257412), (114, 250638), (148, 193059), (171, 167092), (222, 128706), (228, 125319), (333, 85804), (342, 83546), (444, 64353), (666, 42902), (684, 41773), (703, 40644), (1129, 25308), (1332, 21451), (1406, 20322), (2109, 13548), (2258, 12654), (2812, 10161), (3387, 8436), (4218, 6774), (4516, 6327)]