221385492

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 634233600

約数和(自身を除く): 412848108

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 79, 102, 114, 153, 158, 171, 204, 228, 237, 241, 306, 316, 323, 342, 474, 482, 612, 646, 684, 711, 723, 948, 964, 969, 1292, 1343, 1422, 1446, 1501, 1938, 2169, 2686, 2844, 2892, 2907, 3002, 3876, 4029, 4097, 4338, 4503, 4579, 5372, 5814, 6004, 8058, 8194, 8676, 9006, 9158, 11628, 12087, 12291, 13509, 13737, 16116, 16388, 18012, 18316, 19039, 24174, 24582, 25517, 27018, 27474, 36873, 38078, 41211, 48348, 49164, 51034, 54036, 54948, 57117, 73746, 76156, 76551, 77843, 82422, 102068, 114234, 147492, 153102, 155686, 164844, 171351, 228468, 229653, 233529, 306204, 311372, 323663, 342702, 361741, 459306, 467058, 647326, 685404, 700587, 723482, 918612, 934116, 970989, 1085223, 1294652, 1401174, 1446964, 1941978, 2170446, 2802348, 2912967, 3255669, 3883956, 4340892, 5825934, 6149597, 6511338, 11651868, 12299194, 13022676, 18448791, 24598388, 36897582, 55346373, 73795164, 110692746, 221385492]

約数ペア:

[(1, 221385492), (2, 110692746), (3, 73795164), (4, 55346373), (6, 36897582), (9, 24598388), (12, 18448791), (17, 13022676), (18, 12299194), (19, 11651868), (34, 6511338), (36, 6149597), (38, 5825934), (51, 4340892), (57, 3883956), (68, 3255669), (76, 2912967), (79, 2802348), (102, 2170446), (114, 1941978), (153, 1446964), (158, 1401174), (171, 1294652), (204, 1085223), (228, 970989), (237, 934116), (241, 918612), (306, 723482), (316, 700587), (323, 685404), (342, 647326), (474, 467058), (482, 459306), (612, 361741), (646, 342702), (684, 323663), (711, 311372), (723, 306204), (948, 233529), (964, 229653), (969, 228468), (1292, 171351), (1343, 164844), (1422, 155686), (1446, 153102), (1501, 147492), (1938, 114234), (2169, 102068), (2686, 82422), (2844, 77843), (2892, 76551), (2907, 76156), (3002, 73746), (3876, 57117), (4029, 54948), (4097, 54036), (4338, 51034), (4503, 49164), (4579, 48348), (5372, 41211), (5814, 38078), (6004, 36873), (8058, 27474), (8194, 27018), (8676, 25517), (9006, 24582), (9158, 24174), (11628, 19039), (12087, 18316), (12291, 18012), (13509, 16388), (13737, 16116)]