131831388

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{10433}}^1$

素因数の和:10465

約数の個数: 72

約数和(自身を含む): 372201648

約数和(自身を除く): 240370260

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 2106, 3159, 4212, 6318, 10433, 12636, 20866, 31299, 41732, 62598, 93897, 125196, 135629, 187794, 271258, 281691, 375588, 406887, 542516, 563382, 813774, 845073, 1126764, 1220661, 1627548, 1690146, 2441322, 2535219, 3380292, 3661983, 4882644, 5070438, 7323966, 10140876, 10985949, 14647932, 21971898, 32957847, 43943796, 65915694, 131831388]

約数ペア:

[(1, 131831388), (2, 65915694), (3, 43943796), (4, 32957847), (6, 21971898), (9, 14647932), (12, 10985949), (13, 10140876), (18, 7323966), (26, 5070438), (27, 4882644), (36, 3661983), (39, 3380292), (52, 2535219), (54, 2441322), (78, 1690146), (81, 1627548), (108, 1220661), (117, 1126764), (156, 845073), (162, 813774), (234, 563382), (243, 542516), (324, 406887), (351, 375588), (468, 281691), (486, 271258), (702, 187794), (972, 135629), (1053, 125196), (1404, 93897), (2106, 62598), (3159, 41732), (4212, 31299), (6318, 20866), (10433, 12636)]