280528171

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 374588928

約数和(自身を除く): 94060757

約数列:

[1, 7, 11, 23, 71, 77, 97, 161, 253, 497, 529, 679, 781, 1067, 1633, 1771, 2231, 3703, 5467, 5819, 6887, 7469, 11431, 15617, 17963, 24541, 37559, 40733, 48209, 51313, 75757, 125741, 158401, 171787, 262913, 359191, 413149, 530299, 564443, 1108807, 1742411, 2892043, 3643223, 3951101, 12196877, 25502561, 40075453, 280528171]

約数ペア:

[(1, 280528171), (7, 40075453), (11, 25502561), (23, 12196877), (71, 3951101), (77, 3643223), (97, 2892043), (161, 1742411), (253, 1108807), (497, 564443), (529, 530299), (679, 413149), (781, 359191), (1067, 262913), (1633, 171787), (1771, 158401), (2231, 125741), (3703, 75757), (5467, 51313), (5819, 48209), (6887, 40733), (7469, 37559), (11431, 24541), (15617, 17963)]