217435428

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{31957}}^1$

素因数の和:31983

約数の個数: 72

約数和(自身を含む): 651431872

約数和(自身を除く): 433996444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 6804, 31957, 63914, 95871, 127828, 191742, 223699, 287613, 383484, 447398, 575226, 671097, 862839, 894796, 1150452, 1342194, 1725678, 2013291, 2588517, 2684388, 3451356, 4026582, 5177034, 6039873, 7765551, 8053164, 10354068, 12079746, 15531102, 18119619, 24159492, 31062204, 36239238, 54358857, 72478476, 108717714, 217435428]

約数ペア:

[(1, 217435428), (2, 108717714), (3, 72478476), (4, 54358857), (6, 36239238), (7, 31062204), (9, 24159492), (12, 18119619), (14, 15531102), (18, 12079746), (21, 10354068), (27, 8053164), (28, 7765551), (36, 6039873), (42, 5177034), (54, 4026582), (63, 3451356), (81, 2684388), (84, 2588517), (108, 2013291), (126, 1725678), (162, 1342194), (189, 1150452), (243, 894796), (252, 862839), (324, 671097), (378, 575226), (486, 447398), (567, 383484), (756, 287613), (972, 223699), (1134, 191742), (1701, 127828), (2268, 95871), (3402, 63914), (6804, 31957)]