261957288636

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{617}}^1\times {\mathrm{512761}}^1$

素因数の和:513411

約数の個数: 72

約数和(自身を含む): 692081024544

約数和(自身を除く): 430123735908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 617, 828, 1234, 1851, 2468, 3702, 5553, 7404, 11106, 14191, 22212, 28382, 42573, 56764, 85146, 127719, 170292, 255438, 510876, 512761, 1025522, 1538283, 2051044, 3076566, 4614849, 6153132, 9229698, 11793503, 18459396, 23587006, 35380509, 47174012, 70761018, 106141527, 141522036, 212283054, 316373537, 424566108, 632747074, 949120611, 1265494148, 1898241222, 2847361833, 3796482444, 5694723666, 7276591351, 11389447332, 14553182702, 21829774053, 29106365404, 43659548106, 65489322159, 87319096212, 130978644318, 261957288636]

約数ペア:

[(1, 261957288636), (2, 130978644318), (3, 87319096212), (4, 65489322159), (6, 43659548106), (9, 29106365404), (12, 21829774053), (18, 14553182702), (23, 11389447332), (36, 7276591351), (46, 5694723666), (69, 3796482444), (92, 2847361833), (138, 1898241222), (207, 1265494148), (276, 949120611), (414, 632747074), (617, 424566108), (828, 316373537), (1234, 212283054), (1851, 141522036), (2468, 106141527), (3702, 70761018), (5553, 47174012), (7404, 35380509), (11106, 23587006), (14191, 18459396), (22212, 11793503), (28382, 9229698), (42573, 6153132), (56764, 4614849), (85146, 3076566), (127719, 2051044), (170292, 1538283), (255438, 1025522), (510876, 512761)]