400191246

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{81439}}^1$

素因数の和:81470

約数の個数: 64

約数和(自身を含む): 1094553600

約数和(自身を除く): 694362354

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4914, 81439, 162878, 244317, 488634, 570073, 732951, 1058707, 1140146, 1465902, 1710219, 2117414, 2198853, 3176121, 3420438, 4397706, 5130657, 6352242, 7410949, 9528363, 10261314, 14821898, 15391971, 19056726, 22232847, 28585089, 30783942, 44465694, 57170178, 66698541, 133397082, 200095623, 400191246]

約数ペア:

[(1, 400191246), (2, 200095623), (3, 133397082), (6, 66698541), (7, 57170178), (9, 44465694), (13, 30783942), (14, 28585089), (18, 22232847), (21, 19056726), (26, 15391971), (27, 14821898), (39, 10261314), (42, 9528363), (54, 7410949), (63, 6352242), (78, 5130657), (91, 4397706), (117, 3420438), (126, 3176121), (182, 2198853), (189, 2117414), (234, 1710219), (273, 1465902), (351, 1140146), (378, 1058707), (546, 732951), (702, 570073), (819, 488634), (1638, 244317), (2457, 162878), (4914, 81439)]