215318984

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{2339}}^1$

素因数の和:2693

約数の個数: 32

約数和(自身を含む): 416145600

約数和(自身を除く): 200826616

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 311, 622, 1244, 2339, 2488, 4678, 9356, 11507, 18712, 23014, 46028, 86543, 92056, 173086, 346172, 692344, 727429, 1454858, 2909716, 5819432, 26914873, 53829746, 107659492, 215318984]

約数ペア:

[(1, 215318984), (2, 107659492), (4, 53829746), (8, 26914873), (37, 5819432), (74, 2909716), (148, 1454858), (296, 727429), (311, 692344), (622, 346172), (1244, 173086), (2339, 92056), (2488, 86543), (4678, 46028), (9356, 23014), (11507, 18712)]