221499612

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{929}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 578869200

約数和(自身を除く): 357369588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 179, 222, 333, 358, 444, 537, 666, 716, 929, 1074, 1332, 1611, 1858, 2148, 2787, 3222, 3716, 5574, 6444, 6623, 8361, 11148, 13246, 16722, 19869, 26492, 33444, 34373, 39738, 59607, 68746, 79476, 103119, 119214, 137492, 166291, 206238, 238428, 309357, 332582, 412476, 498873, 618714, 665164, 997746, 1237428, 1496619, 1995492, 2993238, 5986476, 6152767, 12305534, 18458301, 24611068, 36916602, 55374903, 73833204, 110749806, 221499612]

約数ペア:

[(1, 221499612), (2, 110749806), (3, 73833204), (4, 55374903), (6, 36916602), (9, 24611068), (12, 18458301), (18, 12305534), (36, 6152767), (37, 5986476), (74, 2993238), (111, 1995492), (148, 1496619), (179, 1237428), (222, 997746), (333, 665164), (358, 618714), (444, 498873), (537, 412476), (666, 332582), (716, 309357), (929, 238428), (1074, 206238), (1332, 166291), (1611, 137492), (1858, 119214), (2148, 103119), (2787, 79476), (3222, 68746), (3716, 59607), (5574, 39738), (6444, 34373), (6623, 33444), (8361, 26492), (11148, 19869), (13246, 16722)]