338996528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 732619776

約数和(自身を除く): 393623248

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 127, 164, 208, 254, 313, 328, 508, 533, 626, 656, 1016, 1066, 1252, 1651, 2032, 2132, 2504, 3302, 4069, 4264, 5008, 5207, 6604, 8138, 8528, 10414, 12833, 13208, 16276, 20828, 25666, 26416, 32552, 39751, 41656, 51332, 65104, 67691, 79502, 83312, 102664, 135382, 159004, 166829, 205328, 270764, 318008, 333658, 516763, 541528, 636016, 667316, 1033526, 1083056, 1334632, 1629791, 2067052, 2669264, 3259582, 4134104, 6519164, 8268208, 13038328, 21187283, 26076656, 42374566, 84749132, 169498264, 338996528]

約数ペア:

[(1, 338996528), (2, 169498264), (4, 84749132), (8, 42374566), (13, 26076656), (16, 21187283), (26, 13038328), (41, 8268208), (52, 6519164), (82, 4134104), (104, 3259582), (127, 2669264), (164, 2067052), (208, 1629791), (254, 1334632), (313, 1083056), (328, 1033526), (508, 667316), (533, 636016), (626, 541528), (656, 516763), (1016, 333658), (1066, 318008), (1252, 270764), (1651, 205328), (2032, 166829), (2132, 159004), (2504, 135382), (3302, 102664), (4069, 83312), (4264, 79502), (5008, 67691), (5207, 65104), (6604, 51332), (8138, 41656), (8528, 39751), (10414, 32552), (12833, 26416), (13208, 25666), (16276, 20828)]