128737908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1979}}^1$

素因数の和:2141

約数の個数: 72

約数和(自身を含む): 353152800

約数和(自身を除く): 224414892

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 417, 468, 556, 834, 1251, 1668, 1807, 1979, 2502, 3614, 3958, 5004, 5421, 5937, 7228, 7916, 10842, 11874, 16263, 17811, 21684, 23748, 25727, 32526, 35622, 51454, 65052, 71244, 77181, 102908, 154362, 231543, 275081, 308724, 463086, 550162, 825243, 926172, 1100324, 1650486, 2475729, 3300972, 3576053, 4951458, 7152106, 9902916, 10728159, 14304212, 21456318, 32184477, 42912636, 64368954, 128737908]

約数ペア:

[(1, 128737908), (2, 64368954), (3, 42912636), (4, 32184477), (6, 21456318), (9, 14304212), (12, 10728159), (13, 9902916), (18, 7152106), (26, 4951458), (36, 3576053), (39, 3300972), (52, 2475729), (78, 1650486), (117, 1100324), (139, 926172), (156, 825243), (234, 550162), (278, 463086), (417, 308724), (468, 275081), (556, 231543), (834, 154362), (1251, 102908), (1668, 77181), (1807, 71244), (1979, 65052), (2502, 51454), (3614, 35622), (3958, 32526), (5004, 25727), (5421, 23748), (5937, 21684), (7228, 17811), (7916, 16263), (10842, 11874)]