201219588

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 522220608

約数和(自身を除く): 321001020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 163, 212, 318, 326, 477, 489, 636, 647, 652, 954, 978, 1294, 1467, 1908, 1941, 1956, 2588, 2934, 3882, 5823, 5868, 7764, 8639, 11646, 17278, 23292, 25917, 34291, 34556, 51834, 68582, 77751, 102873, 103668, 105461, 137164, 155502, 205746, 210922, 308619, 311004, 316383, 411492, 421844, 617238, 632766, 949149, 1234476, 1265532, 1898298, 3796596, 5589433, 11178866, 16768299, 22357732, 33536598, 50304897, 67073196, 100609794, 201219588]

約数ペア:

[(1, 201219588), (2, 100609794), (3, 67073196), (4, 50304897), (6, 33536598), (9, 22357732), (12, 16768299), (18, 11178866), (36, 5589433), (53, 3796596), (106, 1898298), (159, 1265532), (163, 1234476), (212, 949149), (318, 632766), (326, 617238), (477, 421844), (489, 411492), (636, 316383), (647, 311004), (652, 308619), (954, 210922), (978, 205746), (1294, 155502), (1467, 137164), (1908, 105461), (1941, 103668), (1956, 102873), (2588, 77751), (2934, 68582), (3882, 51834), (5823, 34556), (5868, 34291), (7764, 25917), (8639, 23292), (11646, 17278)]