16804558379

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 21749490000

約数和(自身を除く): 4944931621

約数列:

[1, 7, 19, 23, 49, 133, 149, 161, 229, 437, 529, 931, 1043, 1127, 1603, 2831, 3059, 3427, 3703, 4351, 5267, 7301, 10051, 11221, 19817, 21413, 23989, 25921, 30457, 34121, 36869, 65113, 70357, 78821, 100073, 121141, 138719, 167923, 213199, 238847, 258083, 455791, 492499, 551747, 648299, 700511, 784783, 847987, 1497599, 1671929, 2301679, 3190537, 3862229, 4538093, 4903577, 5493481, 5935909, 10483193, 14910877, 16111753, 18050009, 31766651, 38454367, 73382351, 104376139, 112782271, 126350063, 342950171, 730632973, 884450441, 2400651197, 16804558379]

約数ペア:

[(1, 16804558379), (7, 2400651197), (19, 884450441), (23, 730632973), (49, 342950171), (133, 126350063), (149, 112782271), (161, 104376139), (229, 73382351), (437, 38454367), (529, 31766651), (931, 18050009), (1043, 16111753), (1127, 14910877), (1603, 10483193), (2831, 5935909), (3059, 5493481), (3427, 4903577), (3703, 4538093), (4351, 3862229), (5267, 3190537), (7301, 2301679), (10051, 1671929), (11221, 1497599), (19817, 847987), (21413, 784783), (23989, 700511), (25921, 648299), (30457, 551747), (34121, 492499), (36869, 455791), (65113, 258083), (70357, 238847), (78821, 213199), (100073, 167923), (121141, 138719)]