28881948

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 69189120

約数和(自身を除く): 40307172

約数列:

[1, 2, 3, 4, 6, 12, 71, 109, 142, 213, 218, 284, 311, 327, 426, 436, 622, 654, 852, 933, 1244, 1308, 1866, 3732, 7739, 15478, 22081, 23217, 30956, 33899, 44162, 46434, 66243, 67798, 88324, 92868, 101697, 132486, 135596, 203394, 264972, 406788, 2406829, 4813658, 7220487, 9627316, 14440974, 28881948]

約数ペア:

[(1, 28881948), (2, 14440974), (3, 9627316), (4, 7220487), (6, 4813658), (12, 2406829), (71, 406788), (109, 264972), (142, 203394), (213, 135596), (218, 132486), (284, 101697), (311, 92868), (327, 88324), (426, 67798), (436, 66243), (622, 46434), (654, 44162), (852, 33899), (933, 30956), (1244, 23217), (1308, 22081), (1866, 15478), (3732, 7739)]