81935828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 164075520

約数和(自身を除く): 82139692

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 127, 247, 254, 494, 508, 653, 988, 1306, 1651, 2413, 2612, 3302, 4826, 6604, 8489, 9652, 12407, 16978, 24814, 31369, 33956, 49628, 62738, 82931, 125476, 161291, 165862, 322582, 331724, 645164, 1078103, 1575689, 2156206, 3151378, 4312412, 6302756, 20483957, 40967914, 81935828]

約数ペア:

[(1, 81935828), (2, 40967914), (4, 20483957), (13, 6302756), (19, 4312412), (26, 3151378), (38, 2156206), (52, 1575689), (76, 1078103), (127, 645164), (247, 331724), (254, 322582), (494, 165862), (508, 161291), (653, 125476), (988, 82931), (1306, 62738), (1651, 49628), (2413, 33956), (2612, 31369), (3302, 24814), (4826, 16978), (6604, 12407), (8489, 9652)]