947873368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{25247}}^1$

素因数の和:25304

約数の個数: 48

約数和(自身を含む): 2020092480

約数和(自身を除く): 1072219112

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 494, 722, 988, 1444, 1976, 2888, 4693, 9386, 18772, 25247, 37544, 50494, 100988, 201976, 328211, 479693, 656422, 959386, 1312844, 1918772, 2625688, 3837544, 6236009, 9114167, 12472018, 18228334, 24944036, 36456668, 49888072, 72913336, 118484171, 236968342, 473936684, 947873368]

約数ペア:

[(1, 947873368), (2, 473936684), (4, 236968342), (8, 118484171), (13, 72913336), (19, 49888072), (26, 36456668), (38, 24944036), (52, 18228334), (76, 12472018), (104, 9114167), (152, 6236009), (247, 3837544), (361, 2625688), (494, 1918772), (722, 1312844), (988, 959386), (1444, 656422), (1976, 479693), (2888, 328211), (4693, 201976), (9386, 100988), (18772, 50494), (25247, 37544)]