31315686

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 69050880

約数和(自身を除く): 37735194

約数列:

[1, 2, 3, 6, 19, 38, 53, 57, 71, 73, 106, 114, 142, 146, 159, 213, 219, 318, 426, 438, 1007, 1349, 1387, 2014, 2698, 2774, 3021, 3763, 3869, 4047, 4161, 5183, 6042, 7526, 7738, 8094, 8322, 10366, 11289, 11607, 15549, 22578, 23214, 31098, 71497, 73511, 98477, 142994, 147022, 196954, 214491, 220533, 274699, 295431, 428982, 441066, 549398, 590862, 824097, 1648194, 5219281, 10438562, 15657843, 31315686]

約数ペア:

[(1, 31315686), (2, 15657843), (3, 10438562), (6, 5219281), (19, 1648194), (38, 824097), (53, 590862), (57, 549398), (71, 441066), (73, 428982), (106, 295431), (114, 274699), (142, 220533), (146, 214491), (159, 196954), (213, 147022), (219, 142994), (318, 98477), (426, 73511), (438, 71497), (1007, 31098), (1349, 23214), (1387, 22578), (2014, 15549), (2698, 11607), (2774, 11289), (3021, 10366), (3763, 8322), (3869, 8094), (4047, 7738), (4161, 7526), (5183, 6042)]