643701076

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 1204176960

約数和(自身を除く): 560475884

約数列:

[1, 2, 4, 19, 38, 76, 137, 211, 274, 293, 422, 548, 586, 844, 1172, 2603, 4009, 5206, 5567, 8018, 10412, 11134, 16036, 22268, 28907, 40141, 57814, 61823, 80282, 115628, 123646, 160564, 247292, 549233, 762679, 1098466, 1174637, 1525358, 2196932, 2349274, 3050716, 4698548, 8469751, 16939502, 33879004, 160925269, 321850538, 643701076]

約数ペア:

[(1, 643701076), (2, 321850538), (4, 160925269), (19, 33879004), (38, 16939502), (76, 8469751), (137, 4698548), (211, 3050716), (274, 2349274), (293, 2196932), (422, 1525358), (548, 1174637), (586, 1098466), (844, 762679), (1172, 549233), (2603, 247292), (4009, 160564), (5206, 123646), (5567, 115628), (8018, 80282), (10412, 61823), (11134, 57814), (16036, 40141), (22268, 28907)]