12788891227

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{569}}^1\times {\mathrm{1019}}^1$

素因数の和:1755

約数の個数: 32

約数和(自身を含む): 15404774400

約数和(自身を除く): 2615883173

約数列:

[1, 7, 23, 137, 161, 569, 959, 1019, 3151, 3983, 7133, 13087, 22057, 23437, 77953, 91609, 139603, 164059, 545671, 579811, 977221, 1792919, 3210869, 4058677, 12550433, 13335653, 22476083, 79434107, 93349571, 556038749, 1826984461, 12788891227]

約数ペア:

[(1, 12788891227), (7, 1826984461), (23, 556038749), (137, 93349571), (161, 79434107), (569, 22476083), (959, 13335653), (1019, 12550433), (3151, 4058677), (3983, 3210869), (7133, 1792919), (13087, 977221), (22057, 579811), (23437, 545671), (77953, 164059), (91609, 139603)]