81575388

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1187}}^1$

素因数の和:1303

約数の個数: 72

約数和(自身を含む): 217945728

約数和(自身を除く): 136370340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 83, 92, 138, 166, 207, 249, 276, 332, 414, 498, 747, 828, 996, 1187, 1494, 1909, 2374, 2988, 3561, 3818, 4748, 5727, 7122, 7636, 10683, 11454, 14244, 17181, 21366, 22908, 27301, 34362, 42732, 54602, 68724, 81903, 98521, 109204, 163806, 197042, 245709, 295563, 327612, 394084, 491418, 591126, 886689, 982836, 1182252, 1773378, 2265983, 3546756, 4531966, 6797949, 9063932, 13595898, 20393847, 27191796, 40787694, 81575388]

約数ペア:

[(1, 81575388), (2, 40787694), (3, 27191796), (4, 20393847), (6, 13595898), (9, 9063932), (12, 6797949), (18, 4531966), (23, 3546756), (36, 2265983), (46, 1773378), (69, 1182252), (83, 982836), (92, 886689), (138, 591126), (166, 491418), (207, 394084), (249, 327612), (276, 295563), (332, 245709), (414, 197042), (498, 163806), (747, 109204), (828, 98521), (996, 81903), (1187, 68724), (1494, 54602), (1909, 42732), (2374, 34362), (2988, 27301), (3561, 22908), (3818, 21366), (4748, 17181), (5727, 14244), (7122, 11454), (7636, 10683)]