28905156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6037}}^1$

素因数の和:6073

約数の個数: 72

約数和(自身を含む): 87913280

約数和(自身を除く): 59008124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 6037, 12074, 18111, 24148, 36222, 42259, 54333, 72444, 84518, 108666, 114703, 126777, 169036, 217332, 229406, 253554, 344109, 380331, 458812, 507108, 688218, 760662, 802921, 1032327, 1376436, 1521324, 1605842, 2064654, 2408763, 3211684, 4129308, 4817526, 7226289, 9635052, 14452578, 28905156]

約数ペア:

[(1, 28905156), (2, 14452578), (3, 9635052), (4, 7226289), (6, 4817526), (7, 4129308), (9, 3211684), (12, 2408763), (14, 2064654), (18, 1605842), (19, 1521324), (21, 1376436), (28, 1032327), (36, 802921), (38, 760662), (42, 688218), (57, 507108), (63, 458812), (76, 380331), (84, 344109), (114, 253554), (126, 229406), (133, 217332), (171, 169036), (228, 126777), (252, 114703), (266, 108666), (342, 84518), (399, 72444), (532, 54333), (684, 42259), (798, 36222), (1197, 24148), (1596, 18111), (2394, 12074), (4788, 6037)]