209767448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1151}}^1$

素因数の和:1296

約数の個数: 64

約数和(自身を含む): 456192000

約数和(自身を除く): 246424552

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 109, 152, 209, 218, 418, 436, 836, 872, 1151, 1199, 1672, 2071, 2302, 2398, 4142, 4604, 4796, 8284, 9208, 9592, 12661, 16568, 21869, 22781, 25322, 43738, 45562, 50644, 87476, 91124, 101288, 125459, 174952, 182248, 240559, 250918, 481118, 501836, 962236, 1003672, 1380049, 1924472, 2383721, 2760098, 4767442, 5520196, 9534884, 11040392, 19069768, 26220931, 52441862, 104883724, 209767448]

約数ペア:

[(1, 209767448), (2, 104883724), (4, 52441862), (8, 26220931), (11, 19069768), (19, 11040392), (22, 9534884), (38, 5520196), (44, 4767442), (76, 2760098), (88, 2383721), (109, 1924472), (152, 1380049), (209, 1003672), (218, 962236), (418, 501836), (436, 481118), (836, 250918), (872, 240559), (1151, 182248), (1199, 174952), (1672, 125459), (2071, 101288), (2302, 91124), (2398, 87476), (4142, 50644), (4604, 45562), (4796, 43738), (8284, 25322), (9208, 22781), (9592, 21869), (12661, 16568)]