128607948

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{72907}}^1$

素因数の和:72931

約数の個数: 54

約数和(自身を含む): 378173796

約数和(自身を除く): 249565848

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 72907, 145814, 218721, 291628, 437442, 510349, 656163, 874884, 1020698, 1312326, 1531047, 2041396, 2624652, 3062094, 3572443, 4593141, 6124188, 7144886, 9186282, 10717329, 14289772, 18372564, 21434658, 32151987, 42869316, 64303974, 128607948]

約数ペア:

[(1, 128607948), (2, 64303974), (3, 42869316), (4, 32151987), (6, 21434658), (7, 18372564), (9, 14289772), (12, 10717329), (14, 9186282), (18, 7144886), (21, 6124188), (28, 4593141), (36, 3572443), (42, 3062094), (49, 2624652), (63, 2041396), (84, 1531047), (98, 1312326), (126, 1020698), (147, 874884), (196, 656163), (252, 510349), (294, 437442), (441, 291628), (588, 218721), (882, 145814), (1764, 72907)]