668984148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139721}}^1$

素因数の和:139757

約数の個数: 72

約数和(自身を含む): 2034352320

約数和(自身を除く): 1365368172

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, 139721, 279442, 419163, 558884, 838326, 978047, 1257489, 1676652, 1956094, 2514978, 2654699, 2934141, 3912188, 5029956, 5309398, 5868282, 7964097, 8802423, 10618796, 11736564, 15928194, 17604846, 18582893, 23892291, 31856388, 35209692, 37165786, 47784582, 55748679, 74331572, 95569164, 111497358, 167246037, 222994716, 334492074, 668984148]

約数ペア:

[(1, 668984148), (2, 334492074), (3, 222994716), (4, 167246037), (6, 111497358), (7, 95569164), (9, 74331572), (12, 55748679), (14, 47784582), (18, 37165786), (19, 35209692), (21, 31856388), (28, 23892291), (36, 18582893), (38, 17604846), (42, 15928194), (57, 11736564), (63, 10618796), (76, 8802423), (84, 7964097), (114, 5868282), (126, 5309398), (133, 5029956), (171, 3912188), (228, 2934141), (252, 2654699), (266, 2514978), (342, 1956094), (399, 1676652), (532, 1257489), (684, 978047), (798, 838326), (1197, 558884), (1596, 419163), (2394, 279442), (4788, 139721)]