199889172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3557}}^1$

素因数の和:3797

約数の個数: 72

約数和(自身を含む): 580210176

約数和(自身を除く): 380321004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 223, 252, 446, 669, 892, 1338, 1561, 2007, 2676, 3122, 3557, 4014, 4683, 6244, 7114, 8028, 9366, 10671, 14049, 14228, 18732, 21342, 24899, 28098, 32013, 42684, 49798, 56196, 64026, 74697, 99596, 128052, 149394, 224091, 298788, 448182, 793211, 896364, 1586422, 2379633, 3172844, 4759266, 5552477, 7138899, 9518532, 11104954, 14277798, 16657431, 22209908, 28555596, 33314862, 49972293, 66629724, 99944586, 199889172]

約数ペア:

[(1, 199889172), (2, 99944586), (3, 66629724), (4, 49972293), (6, 33314862), (7, 28555596), (9, 22209908), (12, 16657431), (14, 14277798), (18, 11104954), (21, 9518532), (28, 7138899), (36, 5552477), (42, 4759266), (63, 3172844), (84, 2379633), (126, 1586422), (223, 896364), (252, 793211), (446, 448182), (669, 298788), (892, 224091), (1338, 149394), (1561, 128052), (2007, 99596), (2676, 74697), (3122, 64026), (3557, 56196), (4014, 49798), (4683, 42684), (6244, 32013), (7114, 28098), (8028, 24899), (9366, 21342), (10671, 18732), (14049, 14228)]