628142755

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 863654400

約数和(自身を除く): 235511645

約数列:

[1, 5, 19, 29, 41, 67, 83, 95, 145, 205, 335, 415, 551, 779, 1189, 1273, 1577, 1943, 2407, 2747, 2755, 3403, 3895, 5561, 5945, 6365, 7885, 9715, 12035, 13735, 17015, 22591, 27805, 36917, 45733, 52193, 64657, 79663, 98687, 105659, 112955, 161269, 184585, 228001, 228665, 260965, 323285, 398315, 493435, 528295, 806345, 1140005, 1513597, 1875053, 3064111, 4332019, 6612029, 7567985, 9375265, 15320555, 21660095, 33060145, 125628551, 628142755]

約数ペア:

[(1, 628142755), (5, 125628551), (19, 33060145), (29, 21660095), (41, 15320555), (67, 9375265), (83, 7567985), (95, 6612029), (145, 4332019), (205, 3064111), (335, 1875053), (415, 1513597), (551, 1140005), (779, 806345), (1189, 528295), (1273, 493435), (1577, 398315), (1943, 323285), (2407, 260965), (2747, 228665), (2755, 228001), (3403, 184585), (3895, 161269), (5561, 112955), (5945, 105659), (6365, 98687), (7885, 79663), (9715, 64657), (12035, 52193), (13735, 45733), (17015, 36917), (22591, 27805)]