217698208

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{74759}}^1$

素因数の和:74789

約数の個数: 48

約数和(自身を含む): 527506560

約数和(自身を除く): 309808352

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, 74759, 149518, 299036, 523313, 598072, 971867, 1046626, 1196144, 1943734, 2093252, 2392288, 3887468, 4186504, 6803069, 7774936, 8373008, 13606138, 15549872, 16746016, 27212276, 31099744, 54424552, 108849104, 217698208]

約数ペア:

[(1, 217698208), (2, 108849104), (4, 54424552), (7, 31099744), (8, 27212276), (13, 16746016), (14, 15549872), (16, 13606138), (26, 8373008), (28, 7774936), (32, 6803069), (52, 4186504), (56, 3887468), (91, 2392288), (104, 2093252), (112, 1943734), (182, 1196144), (208, 1046626), (224, 971867), (364, 598072), (416, 523313), (728, 299036), (1456, 149518), (2912, 74759)]