16478172

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 43570800

約数和(自身を除く): 27092628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 89, 111, 139, 148, 178, 222, 267, 278, 333, 356, 417, 444, 534, 556, 666, 801, 834, 1068, 1251, 1332, 1602, 1668, 2502, 3204, 3293, 5004, 5143, 6586, 9879, 10286, 12371, 13172, 15429, 19758, 20572, 24742, 29637, 30858, 37113, 39516, 46287, 49484, 59274, 61716, 74226, 92574, 111339, 118548, 148452, 185148, 222678, 445356, 457727, 915454, 1373181, 1830908, 2746362, 4119543, 5492724, 8239086, 16478172]

約数ペア:

[(1, 16478172), (2, 8239086), (3, 5492724), (4, 4119543), (6, 2746362), (9, 1830908), (12, 1373181), (18, 915454), (36, 457727), (37, 445356), (74, 222678), (89, 185148), (111, 148452), (139, 118548), (148, 111339), (178, 92574), (222, 74226), (267, 61716), (278, 59274), (333, 49484), (356, 46287), (417, 39516), (444, 37113), (534, 30858), (556, 29637), (666, 24742), (801, 20572), (834, 19758), (1068, 15429), (1251, 13172), (1332, 12371), (1602, 10286), (1668, 9879), (2502, 6586), (3204, 5143), (3293, 5004)]