199944444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:643

約数の個数: 96

約数和(自身を含む): 555609600

約数和(自身を除く): 355665156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 211, 348, 389, 406, 422, 609, 633, 778, 812, 844, 1167, 1218, 1266, 1477, 1556, 2334, 2436, 2532, 2723, 2954, 4431, 4668, 5446, 5908, 6119, 8169, 8862, 10892, 11281, 12238, 16338, 17724, 18357, 22562, 24476, 32676, 33843, 36714, 42833, 45124, 67686, 73428, 78967, 82079, 85666, 128499, 135372, 157934, 164158, 171332, 236901, 246237, 256998, 315868, 328316, 473802, 492474, 513996, 574553, 947604, 984948, 1149106, 1723659, 2298212, 2380291, 3447318, 4760582, 6894636, 7140873, 9521164, 14281746, 16662037, 28563492, 33324074, 49986111, 66648148, 99972222, 199944444]

約数ペア:

[(1, 199944444), (2, 99972222), (3, 66648148), (4, 49986111), (6, 33324074), (7, 28563492), (12, 16662037), (14, 14281746), (21, 9521164), (28, 7140873), (29, 6894636), (42, 4760582), (58, 3447318), (84, 2380291), (87, 2298212), (116, 1723659), (174, 1149106), (203, 984948), (211, 947604), (348, 574553), (389, 513996), (406, 492474), (422, 473802), (609, 328316), (633, 315868), (778, 256998), (812, 246237), (844, 236901), (1167, 171332), (1218, 164158), (1266, 157934), (1477, 135372), (1556, 128499), (2334, 85666), (2436, 82079), (2532, 78967), (2723, 73428), (2954, 67686), (4431, 45124), (4668, 42833), (5446, 36714), (5908, 33843), (6119, 32676), (8169, 24476), (8862, 22562), (10892, 18357), (11281, 17724), (12238, 16338)]