81500916

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{19801}}^1$

素因数の和:19829

約数の個数: 48

約数和(自身を含む): 221782400

約数和(自身を除く): 140281484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 19801, 39602, 59403, 79204, 118806, 138607, 237612, 277214, 415821, 554428, 831642, 970249, 1663284, 1940498, 2910747, 3880996, 5821494, 6791743, 11642988, 13583486, 20375229, 27166972, 40750458, 81500916]

約数ペア:

[(1, 81500916), (2, 40750458), (3, 27166972), (4, 20375229), (6, 13583486), (7, 11642988), (12, 6791743), (14, 5821494), (21, 3880996), (28, 2910747), (42, 1940498), (49, 1663284), (84, 970249), (98, 831642), (147, 554428), (196, 415821), (294, 277214), (343, 237612), (588, 138607), (686, 118806), (1029, 79204), (1372, 59403), (2058, 39602), (4116, 19801)]