27971636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 61471872

約数和(自身を除く): 33500236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 197, 308, 394, 461, 788, 922, 1379, 1844, 2167, 2758, 3227, 4334, 5071, 5516, 6454, 8668, 10142, 12908, 15169, 20284, 30338, 35497, 60676, 70994, 90817, 141988, 181634, 363268, 635719, 998987, 1271438, 1997974, 2542876, 3995948, 6992909, 13985818, 27971636]

約数ペア:

[(1, 27971636), (2, 13985818), (4, 6992909), (7, 3995948), (11, 2542876), (14, 1997974), (22, 1271438), (28, 998987), (44, 635719), (77, 363268), (154, 181634), (197, 141988), (308, 90817), (394, 70994), (461, 60676), (788, 35497), (922, 30338), (1379, 20284), (1844, 15169), (2167, 12908), (2758, 10142), (3227, 8668), (4334, 6454), (5071, 5516)]