28166398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 52093440

約数和(自身を除く): 23927042

約数列:

[1, 2, 13, 19, 23, 26, 37, 38, 46, 67, 74, 134, 247, 299, 437, 481, 494, 598, 703, 851, 871, 874, 962, 1273, 1406, 1541, 1702, 1742, 2479, 2546, 3082, 4958, 5681, 9139, 11063, 11362, 16169, 16549, 18278, 20033, 22126, 29279, 32227, 32338, 33098, 40066, 47101, 57017, 58558, 64454, 94202, 114034, 210197, 380627, 420394, 612313, 741221, 761254, 1083323, 1224626, 1482442, 2166646, 14083199, 28166398]

約数ペア:

[(1, 28166398), (2, 14083199), (13, 2166646), (19, 1482442), (23, 1224626), (26, 1083323), (37, 761254), (38, 741221), (46, 612313), (67, 420394), (74, 380627), (134, 210197), (247, 114034), (299, 94202), (437, 64454), (481, 58558), (494, 57017), (598, 47101), (703, 40066), (851, 33098), (871, 32338), (874, 32227), (962, 29279), (1273, 22126), (1406, 20033), (1541, 18278), (1702, 16549), (1742, 16169), (2479, 11362), (2546, 11063), (3082, 9139), (4958, 5681)]