38944990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 83939328

約数和(自身を除く): 44994338

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 131, 137, 155, 217, 262, 274, 310, 434, 655, 685, 917, 959, 1085, 1310, 1370, 1834, 1918, 2170, 4061, 4247, 4585, 4795, 8122, 8494, 9170, 9590, 17947, 20305, 21235, 28427, 29729, 35894, 40610, 42470, 56854, 59458, 89735, 125629, 142135, 148645, 179470, 251258, 284270, 297290, 556357, 628145, 1112714, 1256290, 2781785, 3894499, 5563570, 7788998, 19472495, 38944990]

約数ペア:

[(1, 38944990), (2, 19472495), (5, 7788998), (7, 5563570), (10, 3894499), (14, 2781785), (31, 1256290), (35, 1112714), (62, 628145), (70, 556357), (131, 297290), (137, 284270), (155, 251258), (217, 179470), (262, 148645), (274, 142135), (310, 125629), (434, 89735), (655, 59458), (685, 56854), (917, 42470), (959, 40610), (1085, 35894), (1310, 29729), (1370, 28427), (1834, 21235), (1918, 20305), (2170, 17947), (4061, 9590), (4247, 9170), (4585, 8494), (4795, 8122)]