213881252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3049}}^1$

素因数の和:3156

約数の個数: 48

約数和(自身を含む): 430416000

約数和(自身を除く): 216534748

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 71, 76, 142, 247, 284, 494, 923, 988, 1349, 1846, 2698, 3049, 3692, 5396, 6098, 12196, 17537, 35074, 39637, 57931, 70148, 79274, 115862, 158548, 216479, 231724, 432958, 753103, 865916, 1506206, 2814227, 3012412, 4113101, 5628454, 8226202, 11256908, 16452404, 53470313, 106940626, 213881252]

約数ペア:

[(1, 213881252), (2, 106940626), (4, 53470313), (13, 16452404), (19, 11256908), (26, 8226202), (38, 5628454), (52, 4113101), (71, 3012412), (76, 2814227), (142, 1506206), (247, 865916), (284, 753103), (494, 432958), (923, 231724), (988, 216479), (1349, 158548), (1846, 115862), (2698, 79274), (3049, 70148), (3692, 57931), (5396, 39637), (6098, 35074), (12196, 17537)]