128774723

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 182476800

約数和(自身を除く): 53702077

約数列:

[1, 7, 11, 19, 23, 43, 77, 89, 133, 161, 209, 253, 301, 437, 473, 623, 817, 979, 989, 1463, 1691, 1771, 2047, 3059, 3311, 3827, 4807, 5719, 6853, 6923, 8987, 10879, 11837, 14329, 18601, 18791, 22517, 26789, 33649, 38893, 42097, 62909, 72713, 76153, 88021, 130207, 131537, 157619, 206701, 272251, 294679, 427823, 508991, 616147, 799843, 968231, 1446907, 1672399, 2994761, 5598901, 6777617, 11706793, 18396389, 128774723]

約数ペア:

[(1, 128774723), (7, 18396389), (11, 11706793), (19, 6777617), (23, 5598901), (43, 2994761), (77, 1672399), (89, 1446907), (133, 968231), (161, 799843), (209, 616147), (253, 508991), (301, 427823), (437, 294679), (473, 272251), (623, 206701), (817, 157619), (979, 131537), (989, 130207), (1463, 88021), (1691, 76153), (1771, 72713), (2047, 62909), (3059, 42097), (3311, 38893), (3827, 33649), (4807, 26789), (5719, 22517), (6853, 18791), (6923, 18601), (8987, 14329), (10879, 11837)]