28512661372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{191119}}^1$

素因数の和:191306

約数の個数: 48

約数和(自身を含む): 56938470400

約数和(自身を除く): 28425809028

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 151, 247, 302, 494, 604, 988, 1963, 2869, 3926, 5738, 7852, 11476, 37297, 74594, 149188, 191119, 382238, 764476, 2484547, 3631261, 4969094, 7262522, 9938188, 14525044, 28858969, 47206393, 57717938, 94412786, 115435876, 188825572, 375166597, 548320411, 750333194, 1096640822, 1500666388, 2193281644, 7128165343, 14256330686, 28512661372]

約数ペア:

[(1, 28512661372), (2, 14256330686), (4, 7128165343), (13, 2193281644), (19, 1500666388), (26, 1096640822), (38, 750333194), (52, 548320411), (76, 375166597), (151, 188825572), (247, 115435876), (302, 94412786), (494, 57717938), (604, 47206393), (988, 28858969), (1963, 14525044), (2869, 9938188), (3926, 7262522), (5738, 4969094), (7852, 3631261), (11476, 2484547), (37297, 764476), (74594, 382238), (149188, 191119)]