1387897408

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67139}}^1$

素因数の和:67187

約数の個数: 56

約数和(自身を含む): 3069640800

約数和(自身を除く): 1681743392

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1088, 1216, 1292, 2584, 5168, 10336, 20672, 67139, 134278, 268556, 537112, 1074224, 1141363, 1275641, 2148448, 2282726, 2551282, 4296896, 4565452, 5102564, 9130904, 10205128, 18261808, 20410256, 21685897, 36523616, 40820512, 43371794, 73047232, 81641024, 86743588, 173487176, 346974352, 693948704, 1387897408]

約数ペア:

[(1, 1387897408), (2, 693948704), (4, 346974352), (8, 173487176), (16, 86743588), (17, 81641024), (19, 73047232), (32, 43371794), (34, 40820512), (38, 36523616), (64, 21685897), (68, 20410256), (76, 18261808), (136, 10205128), (152, 9130904), (272, 5102564), (304, 4565452), (323, 4296896), (544, 2551282), (608, 2282726), (646, 2148448), (1088, 1275641), (1216, 1141363), (1292, 1074224), (2584, 537112), (5168, 268556), (10336, 134278), (20672, 67139)]