201721604

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{751}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 413876736

約数和(自身を除く): 212155132

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 181, 212, 362, 371, 724, 742, 751, 1267, 1484, 1502, 2534, 3004, 5068, 5257, 9593, 10514, 19186, 21028, 38372, 39803, 67151, 79606, 134302, 135931, 159212, 268604, 271862, 278621, 543724, 557242, 951517, 1114484, 1903034, 3806068, 7204343, 14408686, 28817372, 50430401, 100860802, 201721604]

約数ペア:

[(1, 201721604), (2, 100860802), (4, 50430401), (7, 28817372), (14, 14408686), (28, 7204343), (53, 3806068), (106, 1903034), (181, 1114484), (212, 951517), (362, 557242), (371, 543724), (724, 278621), (742, 271862), (751, 268604), (1267, 159212), (1484, 135931), (1502, 134302), (2534, 79606), (3004, 67151), (5068, 39803), (5257, 38372), (9593, 21028), (10514, 19186)]