28191618

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5737}}^1$

素因数の和:5768

約数の個数: 64

約数和(自身を含む): 77118720

約数和(自身を除く): 48927102

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, 5737, 11474, 17211, 34422, 40159, 51633, 74581, 80318, 103266, 120477, 149162, 154899, 223743, 240954, 309798, 361431, 447486, 522067, 671229, 722862, 1044134, 1084293, 1342458, 1566201, 2013687, 2168586, 3132402, 4027374, 4698603, 9397206, 14095809, 28191618]

約数ペア:

[(1, 28191618), (2, 14095809), (3, 9397206), (6, 4698603), (7, 4027374), (9, 3132402), (13, 2168586), (14, 2013687), (18, 1566201), (21, 1342458), (26, 1084293), (27, 1044134), (39, 722862), (42, 671229), (54, 522067), (63, 447486), (78, 361431), (91, 309798), (117, 240954), (126, 223743), (182, 154899), (189, 149162), (234, 120477), (273, 103266), (351, 80318), (378, 74581), (546, 51633), (702, 40159), (819, 34422), (1638, 17211), (2457, 11474), (4914, 5737)]