221391648

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{40459}}^1$

素因数の和:40494

約数の個数: 72

約数和(自身を含む): 662734800

約数和(自身を除く): 441343152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 5472, 40459, 80918, 121377, 161836, 242754, 323672, 364131, 485508, 647344, 728262, 768721, 971016, 1294688, 1456524, 1537442, 1942032, 2306163, 2913048, 3074884, 3884064, 4612326, 5826096, 6149768, 6918489, 9224652, 11652192, 12299536, 13836978, 18449304, 24599072, 27673956, 36898608, 55347912, 73797216, 110695824, 221391648]

約数ペア:

[(1, 221391648), (2, 110695824), (3, 73797216), (4, 55347912), (6, 36898608), (8, 27673956), (9, 24599072), (12, 18449304), (16, 13836978), (18, 12299536), (19, 11652192), (24, 9224652), (32, 6918489), (36, 6149768), (38, 5826096), (48, 4612326), (57, 3884064), (72, 3074884), (76, 2913048), (96, 2306163), (114, 1942032), (144, 1537442), (152, 1456524), (171, 1294688), (228, 971016), (288, 768721), (304, 728262), (342, 647344), (456, 485508), (608, 364131), (684, 323672), (912, 242754), (1368, 161836), (1824, 121377), (2736, 80918), (5472, 40459)]