255351424

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{491}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 541987200

約数和(自身を除く): 286635776

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 239, 272, 478, 491, 544, 956, 982, 1088, 1912, 1964, 2176, 3824, 3928, 4063, 7648, 7856, 8126, 8347, 15296, 15712, 16252, 16694, 30592, 31424, 32504, 33388, 62848, 65008, 66776, 117349, 130016, 133552, 234698, 260032, 267104, 469396, 520064, 534208, 938792, 1068416, 1877584, 1994933, 3755168, 3989866, 7510336, 7979732, 15020672, 15959464, 31918928, 63837856, 127675712, 255351424]

約数ペア:

[(1, 255351424), (2, 127675712), (4, 63837856), (8, 31918928), (16, 15959464), (17, 15020672), (32, 7979732), (34, 7510336), (64, 3989866), (68, 3755168), (128, 1994933), (136, 1877584), (239, 1068416), (272, 938792), (478, 534208), (491, 520064), (544, 469396), (956, 267104), (982, 260032), (1088, 234698), (1912, 133552), (1964, 130016), (2176, 117349), (3824, 66776), (3928, 65008), (4063, 62848), (7648, 33388), (7856, 32504), (8126, 31424), (8347, 30592), (15296, 16694), (15712, 16252)]