31891158

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:843

約数の個数: 80

約数和(自身を含む): 81108720

約数和(自身を除く): 49217562

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 81, 114, 117, 162, 171, 234, 247, 342, 351, 494, 513, 702, 741, 797, 1026, 1053, 1482, 1539, 1594, 2106, 2223, 2391, 3078, 4446, 4782, 6669, 7173, 10361, 13338, 14346, 15143, 20007, 20722, 21519, 30286, 31083, 40014, 43038, 45429, 62166, 64557, 90858, 93249, 129114, 136287, 186498, 196859, 272574, 279747, 393718, 408861, 559494, 590577, 817722, 839241, 1181154, 1226583, 1678482, 1771731, 2453166, 3543462, 5315193, 10630386, 15945579, 31891158]

約数ペア:

[(1, 31891158), (2, 15945579), (3, 10630386), (6, 5315193), (9, 3543462), (13, 2453166), (18, 1771731), (19, 1678482), (26, 1226583), (27, 1181154), (38, 839241), (39, 817722), (54, 590577), (57, 559494), (78, 408861), (81, 393718), (114, 279747), (117, 272574), (162, 196859), (171, 186498), (234, 136287), (247, 129114), (342, 93249), (351, 90858), (494, 64557), (513, 62166), (702, 45429), (741, 43038), (797, 40014), (1026, 31083), (1053, 30286), (1482, 21519), (1539, 20722), (1594, 20007), (2106, 15143), (2223, 14346), (2391, 13338), (3078, 10361), (4446, 7173), (4782, 6669)]