251503712

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20101}}^1$

素因数の和:20151

約数の個数: 48

約数和(自身を含む): 547096032

約数和(自身を除く): 295592320

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 1564, 3128, 6256, 12512, 20101, 40202, 80404, 160808, 321616, 341717, 462323, 643232, 683434, 924646, 1366868, 1849292, 2733736, 3698584, 5467472, 7397168, 7859491, 10934944, 14794336, 15718982, 31437964, 62875928, 125751856, 251503712]

約数ペア:

[(1, 251503712), (2, 125751856), (4, 62875928), (8, 31437964), (16, 15718982), (17, 14794336), (23, 10934944), (32, 7859491), (34, 7397168), (46, 5467472), (68, 3698584), (92, 2733736), (136, 1849292), (184, 1366868), (272, 924646), (368, 683434), (391, 643232), (544, 462323), (736, 341717), (782, 321616), (1564, 160808), (3128, 80404), (6256, 40202), (12512, 20101)]