88975970

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 163004400

約数和(自身を除く): 74028430

約数列:

[1, 2, 5, 10, 89, 178, 257, 389, 445, 514, 778, 890, 1285, 1945, 2570, 3890, 22873, 34621, 45746, 69242, 99973, 114365, 173105, 199946, 228730, 346210, 499865, 999730, 8897597, 17795194, 44487985, 88975970]

約数ペア:

[(1, 88975970), (2, 44487985), (5, 17795194), (10, 8897597), (89, 999730), (178, 499865), (257, 346210), (389, 228730), (445, 199946), (514, 173105), (778, 114365), (890, 99973), (1285, 69242), (1945, 45746), (2570, 34621), (3890, 22873)]