28731444

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 78791328

約数和(自身を除く): 50059884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 131, 147, 196, 262, 294, 373, 393, 524, 588, 746, 786, 917, 1119, 1492, 1572, 1834, 2238, 2611, 2751, 3668, 4476, 5222, 5502, 6419, 7833, 10444, 11004, 12838, 15666, 18277, 19257, 25676, 31332, 36554, 38514, 48863, 54831, 73108, 77028, 97726, 109662, 146589, 195452, 219324, 293178, 342041, 586356, 684082, 1026123, 1368164, 2052246, 2394287, 4104492, 4788574, 7182861, 9577148, 14365722, 28731444]

約数ペア:

[(1, 28731444), (2, 14365722), (3, 9577148), (4, 7182861), (6, 4788574), (7, 4104492), (12, 2394287), (14, 2052246), (21, 1368164), (28, 1026123), (42, 684082), (49, 586356), (84, 342041), (98, 293178), (131, 219324), (147, 195452), (196, 146589), (262, 109662), (294, 97726), (373, 77028), (393, 73108), (524, 54831), (588, 48863), (746, 38514), (786, 36554), (917, 31332), (1119, 25676), (1492, 19257), (1572, 18277), (1834, 15666), (2238, 12838), (2611, 11004), (2751, 10444), (3668, 7833), (4476, 6419), (5222, 5502)]