78140398

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 151191360

約数和(自身を除く): 73050962

約数列:

[1, 2, 7, 14, 17, 31, 34, 49, 62, 89, 98, 119, 178, 217, 238, 289, 434, 527, 578, 623, 833, 1054, 1246, 1513, 1519, 1666, 2023, 2759, 3026, 3038, 3689, 4046, 4361, 5518, 7378, 8722, 8959, 10591, 14161, 17918, 19313, 21182, 25721, 25823, 28322, 38626, 46903, 51442, 51646, 62713, 74137, 93806, 125426, 135191, 148274, 180047, 270382, 328321, 360094, 438991, 656642, 797351, 877982, 1260329, 1594702, 2298247, 2520658, 4596494, 5581457, 11162914, 39070199, 78140398]

約数ペア:

[(1, 78140398), (2, 39070199), (7, 11162914), (14, 5581457), (17, 4596494), (31, 2520658), (34, 2298247), (49, 1594702), (62, 1260329), (89, 877982), (98, 797351), (119, 656642), (178, 438991), (217, 360094), (238, 328321), (289, 270382), (434, 180047), (527, 148274), (578, 135191), (623, 125426), (833, 93806), (1054, 74137), (1246, 62713), (1513, 51646), (1519, 51442), (1666, 46903), (2023, 38626), (2759, 28322), (3026, 25823), (3038, 25721), (3689, 21182), (4046, 19313), (4361, 17918), (5518, 14161), (7378, 10591), (8722, 8959)]