31849890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:887

約数の個数: 64

約数和(自身を含む): 81699840

約数和(自身を除く): 49849950

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 71, 95, 114, 142, 190, 213, 285, 355, 426, 570, 710, 787, 1065, 1349, 1574, 2130, 2361, 2698, 3935, 4047, 4722, 6745, 7870, 8094, 11805, 13490, 14953, 20235, 23610, 29906, 40470, 44859, 55877, 74765, 89718, 111754, 149530, 167631, 224295, 279385, 335262, 448590, 558770, 838155, 1061663, 1676310, 2123326, 3184989, 5308315, 6369978, 10616630, 15924945, 31849890]

約数ペア:

[(1, 31849890), (2, 15924945), (3, 10616630), (5, 6369978), (6, 5308315), (10, 3184989), (15, 2123326), (19, 1676310), (30, 1061663), (38, 838155), (57, 558770), (71, 448590), (95, 335262), (114, 279385), (142, 224295), (190, 167631), (213, 149530), (285, 111754), (355, 89718), (426, 74765), (570, 55877), (710, 44859), (787, 40470), (1065, 29906), (1349, 23610), (1574, 20235), (2130, 14953), (2361, 13490), (2698, 11805), (3935, 8094), (4047, 7870), (4722, 6745)]