181319248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 399974400

約数和(自身を除く): 218655152

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 167, 176, 199, 248, 334, 341, 398, 496, 668, 682, 796, 1336, 1364, 1592, 1837, 2189, 2672, 2728, 3184, 3674, 4378, 5177, 5456, 6169, 7348, 8756, 10354, 12338, 14696, 17512, 20708, 24676, 29392, 33233, 35024, 41416, 49352, 56947, 66466, 67859, 82832, 98704, 113894, 132932, 135718, 227788, 265864, 271436, 365563, 455576, 531728, 542872, 731126, 911152, 1030223, 1085744, 1462252, 2060446, 2924504, 4120892, 5849008, 8241784, 11332453, 16483568, 22664906, 45329812, 90659624, 181319248]

約数ペア:

[(1, 181319248), (2, 90659624), (4, 45329812), (8, 22664906), (11, 16483568), (16, 11332453), (22, 8241784), (31, 5849008), (44, 4120892), (62, 2924504), (88, 2060446), (124, 1462252), (167, 1085744), (176, 1030223), (199, 911152), (248, 731126), (334, 542872), (341, 531728), (398, 455576), (496, 365563), (668, 271436), (682, 265864), (796, 227788), (1336, 135718), (1364, 132932), (1592, 113894), (1837, 98704), (2189, 82832), (2672, 67859), (2728, 66466), (3184, 56947), (3674, 49352), (4378, 41416), (5177, 35024), (5456, 33233), (6169, 29392), (7348, 24676), (8756, 20708), (10354, 17512), (12338, 14696)]