188840196

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 487784024

約数和(自身を除く): 298943828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 181, 219, 292, 362, 397, 438, 543, 657, 724, 794, 876, 1086, 1191, 1314, 1588, 1629, 2172, 2382, 2628, 3258, 3573, 4764, 6516, 7146, 13213, 14292, 26426, 28981, 39639, 52852, 57962, 71857, 79278, 86943, 115924, 118917, 143714, 158556, 173886, 215571, 237834, 260829, 287428, 347772, 431142, 475668, 521658, 646713, 862284, 1043316, 1293426, 2586852, 5245561, 10491122, 15736683, 20982244, 31473366, 47210049, 62946732, 94420098, 188840196]

約数ペア:

[(1, 188840196), (2, 94420098), (3, 62946732), (4, 47210049), (6, 31473366), (9, 20982244), (12, 15736683), (18, 10491122), (36, 5245561), (73, 2586852), (146, 1293426), (181, 1043316), (219, 862284), (292, 646713), (362, 521658), (397, 475668), (438, 431142), (543, 347772), (657, 287428), (724, 260829), (794, 237834), (876, 215571), (1086, 173886), (1191, 158556), (1314, 143714), (1588, 118917), (1629, 115924), (2172, 86943), (2382, 79278), (2628, 71857), (3258, 57962), (3573, 52852), (4764, 39639), (6516, 28981), (7146, 26426), (13213, 14292)]