438163916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{499}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 837900000

約数和(自身を除く): 399736084

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 349, 499, 629, 698, 998, 1258, 1396, 1996, 2516, 5933, 8483, 11866, 12913, 16966, 18463, 23732, 25826, 33932, 36926, 51652, 73852, 174151, 219521, 313871, 348302, 439042, 627742, 696604, 878084, 1255484, 2960567, 5921134, 6443587, 11842268, 12887174, 25774348, 109540979, 219081958, 438163916]

約数ペア:

[(1, 438163916), (2, 219081958), (4, 109540979), (17, 25774348), (34, 12887174), (37, 11842268), (68, 6443587), (74, 5921134), (148, 2960567), (349, 1255484), (499, 878084), (629, 696604), (698, 627742), (998, 439042), (1258, 348302), (1396, 313871), (1996, 219521), (2516, 174151), (5933, 73852), (8483, 51652), (11866, 36926), (12913, 33932), (16966, 25826), (18463, 23732)]