647496

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 1941030

約数和(自身を除く): 1293534

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 23, 24, 34, 36, 46, 51, 68, 69, 72, 92, 102, 136, 138, 153, 184, 204, 207, 276, 306, 391, 408, 414, 529, 552, 612, 782, 828, 1058, 1173, 1224, 1564, 1587, 1656, 2116, 2346, 3128, 3174, 3519, 4232, 4692, 4761, 6348, 7038, 8993, 9384, 9522, 12696, 14076, 17986, 19044, 26979, 28152, 35972, 38088, 53958, 71944, 80937, 107916, 161874, 215832, 323748, 647496]

約数ペア:

[(1, 647496), (2, 323748), (3, 215832), (4, 161874), (6, 107916), (8, 80937), (9, 71944), (12, 53958), (17, 38088), (18, 35972), (23, 28152), (24, 26979), (34, 19044), (36, 17986), (46, 14076), (51, 12696), (68, 9522), (69, 9384), (72, 8993), (92, 7038), (102, 6348), (136, 4761), (138, 4692), (153, 4232), (184, 3519), (204, 3174), (207, 3128), (276, 2346), (306, 2116), (391, 1656), (408, 1587), (414, 1564), (529, 1224), (552, 1173), (612, 1058), (782, 828)]