520121056

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{178613}}^1$

素因数の和:178643

約数の個数: 48

約数和(自身を含む): 1260300384

約数和(自身を除く): 740179328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 178613, 357226, 714452, 1250291, 1428904, 2321969, 2500582, 2857808, 4643938, 5001164, 5715616, 9287876, 10002328, 16253783, 18575752, 20004656, 32507566, 37151504, 40009312, 65015132, 74303008, 130030264, 260060528, 520121056]

約数ペア:

[(1, 520121056), (2, 260060528), (4, 130030264), (7, 74303008), (8, 65015132), (13, 40009312), (14, 37151504), (16, 32507566), (26, 20004656), (28, 18575752), (32, 16253783), (52, 10002328), (56, 9287876), (91, 5715616), (104, 5001164), (112, 4643938), (182, 2857808), (208, 2500582), (224, 2321969), (364, 1428904), (416, 1250291), (728, 714452), (1456, 357226), (2912, 178613)]