81871114

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2\times {\mathrm{59}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 144295200

約数和(自身を除く): 62424086

約数列:

[1, 2, 13, 19, 26, 38, 53, 59, 106, 118, 247, 494, 689, 767, 1007, 1121, 1378, 1534, 2014, 2242, 2809, 3127, 5618, 6254, 13091, 14573, 26182, 29146, 36517, 40651, 53371, 59413, 73034, 81302, 106742, 118826, 165731, 331462, 693823, 772369, 1387646, 1544738, 2154503, 3148889, 4309006, 6297778, 40935557, 81871114]

約数ペア:

[(1, 81871114), (2, 40935557), (13, 6297778), (19, 4309006), (26, 3148889), (38, 2154503), (53, 1544738), (59, 1387646), (106, 772369), (118, 693823), (247, 331462), (494, 165731), (689, 118826), (767, 106742), (1007, 81302), (1121, 73034), (1378, 59413), (1534, 53371), (2014, 40651), (2242, 36517), (2809, 29146), (3127, 26182), (5618, 14573), (6254, 13091)]