645519886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{743}}^1$

素因数の和:897

約数の個数: 64

約数和(自身を含む): 1180210176

約数和(自身を除く): 534690290

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 101, 187, 202, 253, 374, 391, 506, 743, 782, 1111, 1486, 1717, 2222, 2323, 3434, 4301, 4646, 8173, 8602, 12631, 16346, 17089, 18887, 25262, 25553, 34178, 37774, 39491, 51106, 75043, 78982, 138941, 150086, 187979, 277882, 290513, 375958, 434401, 581026, 825473, 868802, 1275731, 1650946, 1725989, 2551462, 3195643, 3451978, 6391286, 14033041, 18985879, 28066082, 29341813, 37971758, 58683626, 322759943, 645519886]

約数ペア:

[(1, 645519886), (2, 322759943), (11, 58683626), (17, 37971758), (22, 29341813), (23, 28066082), (34, 18985879), (46, 14033041), (101, 6391286), (187, 3451978), (202, 3195643), (253, 2551462), (374, 1725989), (391, 1650946), (506, 1275731), (743, 868802), (782, 825473), (1111, 581026), (1486, 434401), (1717, 375958), (2222, 290513), (2323, 277882), (3434, 187979), (4301, 150086), (4646, 138941), (8173, 78982), (8602, 75043), (12631, 51106), (16346, 39491), (17089, 37774), (18887, 34178), (25262, 25553)]