81231304

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7757}}^1$

素因数の和:7798

約数の個数: 64

約数和(自身を含む): 201087360

約数和(自身を除く): 119856056

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 119, 136, 154, 187, 238, 308, 374, 476, 616, 748, 952, 1309, 1496, 2618, 5236, 7757, 10472, 15514, 31028, 54299, 62056, 85327, 108598, 131869, 170654, 217196, 263738, 341308, 434392, 527476, 597289, 682616, 923083, 1054952, 1194578, 1450559, 1846166, 2389156, 2901118, 3692332, 4778312, 5802236, 7384664, 10153913, 11604472, 20307826, 40615652, 81231304]

約数ペア:

[(1, 81231304), (2, 40615652), (4, 20307826), (7, 11604472), (8, 10153913), (11, 7384664), (14, 5802236), (17, 4778312), (22, 3692332), (28, 2901118), (34, 2389156), (44, 1846166), (56, 1450559), (68, 1194578), (77, 1054952), (88, 923083), (119, 682616), (136, 597289), (154, 527476), (187, 434392), (238, 341308), (308, 263738), (374, 217196), (476, 170654), (616, 131869), (748, 108598), (952, 85327), (1309, 62056), (1496, 54299), (2618, 31028), (5236, 15514), (7757, 10472)]