255720601

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 292481280

約数和(自身を除く): 36760679

約数列:

[1, 19, 23, 53, 61, 181, 437, 1007, 1159, 1219, 1403, 3233, 3439, 4163, 9593, 11041, 23161, 26657, 61427, 74359, 79097, 182267, 209779, 220639, 253943, 585173, 1412821, 4192141, 4824917, 11118287, 13458979, 255720601]

約数ペア:

[(1, 255720601), (19, 13458979), (23, 11118287), (53, 4824917), (61, 4192141), (181, 1412821), (437, 585173), (1007, 253943), (1159, 220639), (1219, 209779), (1403, 182267), (3233, 79097), (3439, 74359), (4163, 61427), (9593, 26657), (11041, 23161)]