81986376

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{5431}}^1$

素因数の和:5494

約数の個数: 64

約数和(自身を含む): 222929280

約数和(自身を除く): 140942904

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 37, 51, 68, 74, 102, 111, 136, 148, 204, 222, 296, 408, 444, 629, 888, 1258, 1887, 2516, 3774, 5032, 5431, 7548, 10862, 15096, 16293, 21724, 32586, 43448, 65172, 92327, 130344, 184654, 200947, 276981, 369308, 401894, 553962, 602841, 738616, 803788, 1107924, 1205682, 1607576, 2215848, 2411364, 3416099, 4822728, 6832198, 10248297, 13664396, 20496594, 27328792, 40993188, 81986376]

約数ペア:

[(1, 81986376), (2, 40993188), (3, 27328792), (4, 20496594), (6, 13664396), (8, 10248297), (12, 6832198), (17, 4822728), (24, 3416099), (34, 2411364), (37, 2215848), (51, 1607576), (68, 1205682), (74, 1107924), (102, 803788), (111, 738616), (136, 602841), (148, 553962), (204, 401894), (222, 369308), (296, 276981), (408, 200947), (444, 184654), (629, 130344), (888, 92327), (1258, 65172), (1887, 43448), (2516, 32586), (3774, 21724), (5032, 16293), (5431, 15096), (7548, 10862)]