26658830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 55442880

約数和(自身を除く): 28784050

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 61, 110, 122, 137, 145, 274, 290, 305, 319, 610, 638, 671, 685, 1342, 1370, 1507, 1595, 1769, 3014, 3190, 3355, 3538, 3973, 6710, 7535, 7946, 8357, 8845, 15070, 16714, 17690, 19459, 19865, 38918, 39730, 41785, 43703, 83570, 87406, 91927, 97295, 183854, 194590, 218515, 242353, 437030, 459635, 484706, 919270, 1211765, 2423530, 2665883, 5331766, 13329415, 26658830]

約数ペア:

[(1, 26658830), (2, 13329415), (5, 5331766), (10, 2665883), (11, 2423530), (22, 1211765), (29, 919270), (55, 484706), (58, 459635), (61, 437030), (110, 242353), (122, 218515), (137, 194590), (145, 183854), (274, 97295), (290, 91927), (305, 87406), (319, 83570), (610, 43703), (638, 41785), (671, 39730), (685, 38918), (1342, 19865), (1370, 19459), (1507, 17690), (1595, 16714), (1769, 15070), (3014, 8845), (3190, 8357), (3355, 7946), (3538, 7535), (3973, 6710)]