31979394

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 76032000

約数和(自身を除く): 44052606

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 71, 114, 142, 171, 213, 342, 426, 439, 513, 639, 878, 1026, 1278, 1317, 1349, 1917, 2634, 2698, 3834, 3951, 4047, 7902, 8094, 8341, 11853, 12141, 16682, 23706, 24282, 25023, 31169, 36423, 50046, 62338, 72846, 75069, 93507, 150138, 187014, 225207, 280521, 450414, 561042, 592211, 841563, 1184422, 1683126, 1776633, 3553266, 5329899, 10659798, 15989697, 31979394]

約数ペア:

[(1, 31979394), (2, 15989697), (3, 10659798), (6, 5329899), (9, 3553266), (18, 1776633), (19, 1683126), (27, 1184422), (38, 841563), (54, 592211), (57, 561042), (71, 450414), (114, 280521), (142, 225207), (171, 187014), (213, 150138), (342, 93507), (426, 75069), (439, 72846), (513, 62338), (639, 50046), (878, 36423), (1026, 31169), (1278, 25023), (1317, 24282), (1349, 23706), (1917, 16682), (2634, 12141), (2698, 11853), (3834, 8341), (3951, 8094), (4047, 7902)]