681775688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 1421280000

約数和(自身を除く): 739504312

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 158, 281, 316, 349, 562, 632, 698, 869, 1124, 1396, 1738, 2248, 2792, 3091, 3476, 3839, 6182, 6952, 7678, 12364, 15356, 22199, 24728, 27571, 30712, 44398, 55142, 88796, 98069, 110284, 177592, 196138, 220568, 244189, 303281, 392276, 488378, 606562, 784552, 976756, 1078759, 1213124, 1953512, 2157518, 2426248, 4315036, 7747451, 8630072, 15494902, 30989804, 61979608, 85221961, 170443922, 340887844, 681775688]

約数ペア:

[(1, 681775688), (2, 340887844), (4, 170443922), (8, 85221961), (11, 61979608), (22, 30989804), (44, 15494902), (79, 8630072), (88, 7747451), (158, 4315036), (281, 2426248), (316, 2157518), (349, 1953512), (562, 1213124), (632, 1078759), (698, 976756), (869, 784552), (1124, 606562), (1396, 488378), (1738, 392276), (2248, 303281), (2792, 244189), (3091, 220568), (3476, 196138), (3839, 177592), (6182, 110284), (6952, 98069), (7678, 88796), (12364, 55142), (15356, 44398), (22199, 30712), (24728, 27571)]