221728276

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{1163}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 484968960

約数和(自身を除く): 263240684

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 619, 1163, 1238, 2326, 2476, 4333, 4652, 6809, 8141, 8666, 12793, 13618, 16282, 17332, 25586, 27236, 32564, 47663, 51172, 89551, 95326, 179102, 190652, 358204, 719897, 1439794, 2879588, 5039279, 7918867, 10078558, 15837734, 20157116, 31675468, 55432069, 110864138, 221728276]

約数ペア:

[(1, 221728276), (2, 110864138), (4, 55432069), (7, 31675468), (11, 20157116), (14, 15837734), (22, 10078558), (28, 7918867), (44, 5039279), (77, 2879588), (154, 1439794), (308, 719897), (619, 358204), (1163, 190652), (1238, 179102), (2326, 95326), (2476, 89551), (4333, 51172), (4652, 47663), (6809, 32564), (8141, 27236), (8666, 25586), (12793, 17332), (13618, 16282)]