641854796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1\times {\mathrm{761}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 1271198880

約数和(自身を除く): 629344084

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 661, 761, 1276, 1322, 1522, 2644, 3044, 7271, 8371, 14542, 16742, 19169, 22069, 29084, 33484, 38338, 44138, 76676, 88276, 210859, 242759, 421718, 485518, 503021, 843436, 971036, 1006042, 2012084, 5533231, 11066462, 14587609, 22132924, 29175218, 58350436, 160463699, 320927398, 641854796]

約数ペア:

[(1, 641854796), (2, 320927398), (4, 160463699), (11, 58350436), (22, 29175218), (29, 22132924), (44, 14587609), (58, 11066462), (116, 5533231), (319, 2012084), (638, 1006042), (661, 971036), (761, 843436), (1276, 503021), (1322, 485518), (1522, 421718), (2644, 242759), (3044, 210859), (7271, 88276), (8371, 76676), (14542, 44138), (16742, 38338), (19169, 33484), (22069, 29084)]