161971164

素因数分解:

$2^2\times 3^5\times {\mathrm{71}}^1\times {\mathrm{2347}}^1$

素因数の和:2437

約数の個数: 72

約数和(自身を含む): 430754688

約数和(自身を除く): 268783524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 243, 284, 324, 426, 486, 639, 852, 972, 1278, 1917, 2347, 2556, 3834, 4694, 5751, 7041, 7668, 9388, 11502, 14082, 17253, 21123, 23004, 28164, 34506, 42246, 63369, 69012, 84492, 126738, 166637, 190107, 253476, 333274, 380214, 499911, 570321, 666548, 760428, 999822, 1140642, 1499733, 1999644, 2281284, 2999466, 4499199, 5998932, 8998398, 13497597, 17996796, 26995194, 40492791, 53990388, 80985582, 161971164]

約数ペア:

[(1, 161971164), (2, 80985582), (3, 53990388), (4, 40492791), (6, 26995194), (9, 17996796), (12, 13497597), (18, 8998398), (27, 5998932), (36, 4499199), (54, 2999466), (71, 2281284), (81, 1999644), (108, 1499733), (142, 1140642), (162, 999822), (213, 760428), (243, 666548), (284, 570321), (324, 499911), (426, 380214), (486, 333274), (639, 253476), (852, 190107), (972, 166637), (1278, 126738), (1917, 84492), (2347, 69012), (2556, 63369), (3834, 42246), (4694, 34506), (5751, 28164), (7041, 23004), (7668, 21123), (9388, 17253), (11502, 14082)]