16439401405

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{433}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 23371504128

約数和(自身を除く): 6932102723

約数列:

[1, 5, 7, 35, 53, 97, 211, 265, 371, 433, 485, 679, 1055, 1477, 1855, 2165, 3031, 3395, 5141, 7385, 11183, 15155, 20467, 22949, 25705, 35987, 42001, 55915, 78281, 91363, 102335, 114745, 143269, 160643, 179935, 210005, 294007, 391405, 456815, 639541, 716345, 803215, 1084751, 1470035, 2226053, 3197705, 4842239, 5423755, 7593257, 8862211, 11130265, 15582371, 24211195, 33895673, 37966285, 44311055, 62035477, 77911855, 169478365, 310177385, 469697183, 2348485915, 3287880281, 16439401405]

約数ペア:

[(1, 16439401405), (5, 3287880281), (7, 2348485915), (35, 469697183), (53, 310177385), (97, 169478365), (211, 77911855), (265, 62035477), (371, 44311055), (433, 37966285), (485, 33895673), (679, 24211195), (1055, 15582371), (1477, 11130265), (1855, 8862211), (2165, 7593257), (3031, 5423755), (3395, 4842239), (5141, 3197705), (7385, 2226053), (11183, 1470035), (15155, 1084751), (20467, 803215), (22949, 716345), (25705, 639541), (35987, 456815), (42001, 391405), (55915, 294007), (78281, 210005), (91363, 179935), (102335, 160643), (114745, 143269)]