16978784

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1$

素因数の和:132

約数の個数: 72

約数和(自身を含む): 37626120

約数和(自身を除く): 20647336

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 59, 68, 92, 118, 136, 184, 236, 272, 368, 391, 472, 529, 544, 736, 782, 944, 1003, 1058, 1357, 1564, 1888, 2006, 2116, 2714, 3128, 4012, 4232, 5428, 6256, 8024, 8464, 8993, 10856, 12512, 16048, 16928, 17986, 21712, 23069, 31211, 32096, 35972, 43424, 46138, 62422, 71944, 92276, 124844, 143888, 184552, 249688, 287776, 369104, 499376, 530587, 738208, 998752, 1061174, 2122348, 4244696, 8489392, 16978784]

約数ペア:

[(1, 16978784), (2, 8489392), (4, 4244696), (8, 2122348), (16, 1061174), (17, 998752), (23, 738208), (32, 530587), (34, 499376), (46, 369104), (59, 287776), (68, 249688), (92, 184552), (118, 143888), (136, 124844), (184, 92276), (236, 71944), (272, 62422), (368, 46138), (391, 43424), (472, 35972), (529, 32096), (544, 31211), (736, 23069), (782, 21712), (944, 17986), (1003, 16928), (1058, 16048), (1357, 12512), (1564, 10856), (1888, 8993), (2006, 8464), (2116, 8024), (2714, 6256), (3128, 5428), (4012, 4232)]