128383668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3889}}^1$

素因数の和:4037

約数の個数: 72

約数和(自身を含む): 373813440

約数和(自身を除く): 245429772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 131, 252, 262, 393, 524, 786, 917, 1179, 1572, 1834, 2358, 2751, 3668, 3889, 4716, 5502, 7778, 8253, 11004, 11667, 15556, 16506, 23334, 27223, 33012, 35001, 46668, 54446, 70002, 81669, 108892, 140004, 163338, 245007, 326676, 490014, 509459, 980028, 1018918, 1528377, 2037836, 3056754, 3566213, 4585131, 6113508, 7132426, 9170262, 10698639, 14264852, 18340524, 21397278, 32095917, 42794556, 64191834, 128383668]

約数ペア:

[(1, 128383668), (2, 64191834), (3, 42794556), (4, 32095917), (6, 21397278), (7, 18340524), (9, 14264852), (12, 10698639), (14, 9170262), (18, 7132426), (21, 6113508), (28, 4585131), (36, 3566213), (42, 3056754), (63, 2037836), (84, 1528377), (126, 1018918), (131, 980028), (252, 509459), (262, 490014), (393, 326676), (524, 245007), (786, 163338), (917, 140004), (1179, 108892), (1572, 81669), (1834, 70002), (2358, 54446), (2751, 46668), (3668, 35001), (3889, 33012), (4716, 27223), (5502, 23334), (7778, 16506), (8253, 15556), (11004, 11667)]