65924964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1997}}^1$

素因数の和:2145

約数の個数: 72

約数和(自身を含む): 191999808

約数和(自身を除く): 126074844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 131, 252, 262, 393, 524, 786, 917, 1179, 1572, 1834, 1997, 2358, 2751, 3668, 3994, 4716, 5502, 5991, 7988, 8253, 11004, 11982, 13979, 16506, 17973, 23964, 27958, 33012, 35946, 41937, 55916, 71892, 83874, 125811, 167748, 251622, 261607, 503244, 523214, 784821, 1046428, 1569642, 1831249, 2354463, 3139284, 3662498, 4708926, 5493747, 7324996, 9417852, 10987494, 16481241, 21974988, 32962482, 65924964]

約数ペア:

[(1, 65924964), (2, 32962482), (3, 21974988), (4, 16481241), (6, 10987494), (7, 9417852), (9, 7324996), (12, 5493747), (14, 4708926), (18, 3662498), (21, 3139284), (28, 2354463), (36, 1831249), (42, 1569642), (63, 1046428), (84, 784821), (126, 523214), (131, 503244), (252, 261607), (262, 251622), (393, 167748), (524, 125811), (786, 83874), (917, 71892), (1179, 55916), (1572, 41937), (1834, 35946), (1997, 33012), (2358, 27958), (2751, 23964), (3668, 17973), (3994, 16506), (4716, 13979), (5502, 11982), (5991, 11004), (7988, 8253)]