257413252

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{727}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 493129728

約数和(自身を除く): 235716476

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 127, 164, 254, 508, 697, 727, 1394, 1454, 2159, 2788, 2908, 4318, 5207, 8636, 10414, 12359, 20828, 24718, 29807, 49436, 59614, 88519, 92329, 119228, 177038, 184658, 354076, 369316, 506719, 1013438, 1569593, 2026876, 3139186, 3785489, 6278372, 7570978, 15141956, 64353313, 128706626, 257413252]

約数ペア:

[(1, 257413252), (2, 128706626), (4, 64353313), (17, 15141956), (34, 7570978), (41, 6278372), (68, 3785489), (82, 3139186), (127, 2026876), (164, 1569593), (254, 1013438), (508, 506719), (697, 369316), (727, 354076), (1394, 184658), (1454, 177038), (2159, 119228), (2788, 92329), (2908, 88519), (4318, 59614), (5207, 49436), (8636, 29807), (10414, 24718), (12359, 20828)]