31480169

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 9162391

約数列:

[1, 7, 19, 23, 41, 133, 161, 251, 287, 437, 779, 943, 1757, 3059, 4769, 5453, 5773, 6601, 10291, 17917, 33383, 40411, 72037, 109687, 125419, 195529, 236693, 767809, 1368703, 1656851, 4497167, 31480169]

約数ペア:

[(1, 31480169), (7, 4497167), (19, 1656851), (23, 1368703), (41, 767809), (133, 236693), (161, 195529), (251, 125419), (287, 109687), (437, 72037), (779, 40411), (943, 33383), (1757, 17917), (3059, 10291), (4769, 6601), (5453, 5773)]