397144566

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{80819}}^1$

素因数の和:80850

約数の個数: 64

約数和(自身を含む): 1086220800

約数和(自身を除く): 689076234

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, 80819, 161638, 242457, 484914, 565733, 727371, 1050647, 1131466, 1454742, 1697199, 2101294, 2182113, 3151941, 3394398, 4364226, 5091597, 6303882, 7354529, 9455823, 10183194, 14709058, 15274791, 18911646, 22063587, 28367469, 30549582, 44127174, 56734938, 66190761, 132381522, 198572283, 397144566]

約数ペア:

[(1, 397144566), (2, 198572283), (3, 132381522), (6, 66190761), (7, 56734938), (9, 44127174), (13, 30549582), (14, 28367469), (18, 22063587), (21, 18911646), (26, 15274791), (27, 14709058), (39, 10183194), (42, 9455823), (54, 7354529), (63, 6303882), (78, 5091597), (91, 4364226), (117, 3394398), (126, 3151941), (182, 2182113), (189, 2101294), (234, 1697199), (273, 1454742), (351, 1131466), (378, 1050647), (546, 727371), (702, 565733), (819, 484914), (1638, 242457), (2457, 161638), (4914, 80819)]