245616805

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3967}}^1$

素因数の和:4069

約数の個数: 32

約数和(自身を含む): 354263040

約数和(自身を除く): 108646235

約数列:

[1, 5, 7, 29, 35, 61, 145, 203, 305, 427, 1015, 1769, 2135, 3967, 8845, 12383, 19835, 27769, 61915, 115043, 138845, 241987, 575215, 805301, 1209935, 1693909, 4026505, 7017623, 8469545, 35088115, 49123361, 245616805]

約数ペア:

[(1, 245616805), (5, 49123361), (7, 35088115), (29, 8469545), (35, 7017623), (61, 4026505), (145, 1693909), (203, 1209935), (305, 805301), (427, 575215), (1015, 241987), (1769, 138845), (2135, 115043), (3967, 61915), (8845, 27769), (12383, 19835)]