665532

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 2038400

約数和(自身を除く): 1372868

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, 139, 171, 228, 252, 266, 278, 342, 399, 417, 532, 556, 684, 798, 834, 973, 1197, 1251, 1596, 1668, 1946, 2394, 2502, 2641, 2919, 3892, 4788, 5004, 5282, 5838, 7923, 8757, 10564, 11676, 15846, 17514, 18487, 23769, 31692, 35028, 36974, 47538, 55461, 73948, 95076, 110922, 166383, 221844, 332766, 665532]

約数ペア:

[(1, 665532), (2, 332766), (3, 221844), (4, 166383), (6, 110922), (7, 95076), (9, 73948), (12, 55461), (14, 47538), (18, 36974), (19, 35028), (21, 31692), (28, 23769), (36, 18487), (38, 17514), (42, 15846), (57, 11676), (63, 10564), (76, 8757), (84, 7923), (114, 5838), (126, 5282), (133, 5004), (139, 4788), (171, 3892), (228, 2919), (252, 2641), (266, 2502), (278, 2394), (342, 1946), (399, 1668), (417, 1596), (532, 1251), (556, 1197), (684, 973), (798, 834)]