649236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 1774080

約数和(自身を除く): 1124844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 59, 84, 118, 131, 177, 236, 262, 354, 393, 413, 524, 708, 786, 826, 917, 1239, 1572, 1652, 1834, 2478, 2751, 3668, 4956, 5502, 7729, 11004, 15458, 23187, 30916, 46374, 54103, 92748, 108206, 162309, 216412, 324618, 649236]

約数ペア:

[(1, 649236), (2, 324618), (3, 216412), (4, 162309), (6, 108206), (7, 92748), (12, 54103), (14, 46374), (21, 30916), (28, 23187), (42, 15458), (59, 11004), (84, 7729), (118, 5502), (131, 4956), (177, 3668), (236, 2751), (262, 2478), (354, 1834), (393, 1652), (413, 1572), (524, 1239), (708, 917), (786, 826)]