139574281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1487}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 185131008

約数和(自身を除く): 45556727

約数列:

[1, 7, 11, 23, 53, 77, 161, 253, 371, 583, 1219, 1487, 1771, 4081, 8533, 10409, 13409, 16357, 34201, 78811, 93863, 114499, 239407, 376211, 551677, 866921, 1812653, 2633477, 6068447, 12688571, 19939183, 139574281]

約数ペア:

[(1, 139574281), (7, 19939183), (11, 12688571), (23, 6068447), (53, 2633477), (77, 1812653), (161, 866921), (253, 551677), (371, 376211), (583, 239407), (1219, 114499), (1487, 93863), (1771, 78811), (4081, 34201), (8533, 16357), (10409, 13409)]