81639432

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{161983}}^1$

素因数の和:162002

約数の個数: 48

約数和(自身を含む): 252695040

約数和(自身を除く): 171055608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 161983, 323966, 485949, 647932, 971898, 1133881, 1295864, 1457847, 1943796, 2267762, 2915694, 3401643, 3887592, 4535524, 5831388, 6803286, 9071048, 10204929, 11662776, 13606572, 20409858, 27213144, 40819716, 81639432]

約数ペア:

[(1, 81639432), (2, 40819716), (3, 27213144), (4, 20409858), (6, 13606572), (7, 11662776), (8, 10204929), (9, 9071048), (12, 6803286), (14, 5831388), (18, 4535524), (21, 3887592), (24, 3401643), (28, 2915694), (36, 2267762), (42, 1943796), (56, 1457847), (63, 1295864), (72, 1133881), (84, 971898), (126, 647932), (168, 485949), (252, 323966), (504, 161983)]