128891126

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:837

約数の個数: 64

約数和(自身を含む): 254693376

約数和(自身を除く): 125802250

約数列:

[1, 2, 7, 13, 14, 23, 26, 41, 46, 82, 91, 161, 182, 287, 299, 322, 533, 574, 598, 751, 943, 1066, 1502, 1886, 2093, 3731, 4186, 5257, 6601, 7462, 9763, 10514, 12259, 13202, 17273, 19526, 24518, 30791, 34546, 61582, 68341, 85813, 120911, 136682, 171626, 215537, 224549, 241822, 400283, 431074, 449098, 708193, 800566, 1416386, 1571843, 2801981, 3143686, 4957351, 5603962, 9206509, 9914702, 18413018, 64445563, 128891126]

約数ペア:

[(1, 128891126), (2, 64445563), (7, 18413018), (13, 9914702), (14, 9206509), (23, 5603962), (26, 4957351), (41, 3143686), (46, 2801981), (82, 1571843), (91, 1416386), (161, 800566), (182, 708193), (287, 449098), (299, 431074), (322, 400283), (533, 241822), (574, 224549), (598, 215537), (751, 171626), (943, 136682), (1066, 120911), (1502, 85813), (1886, 68341), (2093, 61582), (3731, 34546), (4186, 30791), (5257, 24518), (6601, 19526), (7462, 17273), (9763, 13202), (10514, 12259)]