128545188548

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1\times {\mathrm{176417}}^1$

素因数の和:176972

約数の個数: 48

約数和(自身を含む): 262476111744

約数和(自身を除く): 133930923196

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 491, 742, 982, 1484, 1964, 3437, 6874, 13748, 26023, 52046, 104092, 176417, 182161, 352834, 364322, 705668, 728644, 1234919, 2469838, 4939676, 9350101, 18700202, 37400404, 65450707, 86620747, 130901414, 173241494, 261802828, 346482988, 606345229, 1212690458, 2425380916, 4590899591, 9181799182, 18363598364, 32136297137, 64272594274, 128545188548]

約数ペア:

[(1, 128545188548), (2, 64272594274), (4, 32136297137), (7, 18363598364), (14, 9181799182), (28, 4590899591), (53, 2425380916), (106, 1212690458), (212, 606345229), (371, 346482988), (491, 261802828), (742, 173241494), (982, 130901414), (1484, 86620747), (1964, 65450707), (3437, 37400404), (6874, 18700202), (13748, 9350101), (26023, 4939676), (52046, 2469838), (104092, 1234919), (176417, 728644), (182161, 705668), (352834, 364322)]