42438942

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1993}}^1$

素因数の和:2034

約数の個数: 72

約数和(自身を含む): 113849424

約数和(自身を除く): 71410482

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 169, 182, 234, 273, 338, 507, 546, 819, 1014, 1183, 1521, 1638, 1993, 2366, 3042, 3549, 3986, 5979, 7098, 10647, 11958, 13951, 17937, 21294, 25909, 27902, 35874, 41853, 51818, 77727, 83706, 125559, 155454, 181363, 233181, 251118, 336817, 362726, 466362, 544089, 673634, 1010451, 1088178, 1632267, 2020902, 2357719, 3031353, 3264534, 4715438, 6062706, 7073157, 14146314, 21219471, 42438942]

約数ペア:

[(1, 42438942), (2, 21219471), (3, 14146314), (6, 7073157), (7, 6062706), (9, 4715438), (13, 3264534), (14, 3031353), (18, 2357719), (21, 2020902), (26, 1632267), (39, 1088178), (42, 1010451), (63, 673634), (78, 544089), (91, 466362), (117, 362726), (126, 336817), (169, 251118), (182, 233181), (234, 181363), (273, 155454), (338, 125559), (507, 83706), (546, 77727), (819, 51818), (1014, 41853), (1183, 35874), (1521, 27902), (1638, 25909), (1993, 21294), (2366, 17937), (3042, 13951), (3549, 11958), (3986, 10647), (5979, 7098)]