1994384505

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 3338108928

約数和(自身を除く): 1343724423

約数列:

[1, 3, 5, 15, 43, 97, 127, 129, 215, 251, 291, 381, 485, 635, 645, 753, 1255, 1455, 1905, 3765, 4171, 5461, 10793, 12319, 12513, 16383, 20855, 24347, 27305, 31877, 32379, 36957, 53965, 61595, 62565, 73041, 81915, 95631, 121735, 159385, 161895, 184785, 365205, 478155, 529717, 1046921, 1370711, 1589151, 2648585, 3092069, 3140763, 4112133, 5234605, 6853555, 7945755, 9276207, 15460345, 15703815, 20560665, 46381035, 132958967, 398876901, 664794835, 1994384505]

約数ペア:

[(1, 1994384505), (3, 664794835), (5, 398876901), (15, 132958967), (43, 46381035), (97, 20560665), (127, 15703815), (129, 15460345), (215, 9276207), (251, 7945755), (291, 6853555), (381, 5234605), (485, 4112133), (635, 3140763), (645, 3092069), (753, 2648585), (1255, 1589151), (1455, 1370711), (1905, 1046921), (3765, 529717), (4171, 478155), (5461, 365205), (10793, 184785), (12319, 161895), (12513, 159385), (16383, 121735), (20855, 95631), (24347, 81915), (27305, 73041), (31877, 62565), (32379, 61595), (36957, 53965)]