219777978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1427}}^1$

素因数の和:1651

約数の個数: 64

約数和(自身を含む): 531901440

約数和(自身を除く): 312123462

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 193, 266, 386, 399, 579, 798, 1158, 1351, 1427, 2702, 2854, 3667, 4053, 4281, 7334, 8106, 8562, 9989, 11001, 19978, 22002, 25669, 27113, 29967, 51338, 54226, 59934, 77007, 81339, 154014, 162678, 189791, 275411, 379582, 550822, 569373, 826233, 1138746, 1652466, 1927877, 3855754, 5232809, 5783631, 10465618, 11567262, 15698427, 31396854, 36629663, 73259326, 109888989, 219777978]

約数ペア:

[(1, 219777978), (2, 109888989), (3, 73259326), (6, 36629663), (7, 31396854), (14, 15698427), (19, 11567262), (21, 10465618), (38, 5783631), (42, 5232809), (57, 3855754), (114, 1927877), (133, 1652466), (193, 1138746), (266, 826233), (386, 569373), (399, 550822), (579, 379582), (798, 275411), (1158, 189791), (1351, 162678), (1427, 154014), (2702, 81339), (2854, 77007), (3667, 59934), (4053, 54226), (4281, 51338), (7334, 29967), (8106, 27113), (8562, 25669), (9989, 22002), (11001, 19978)]