203419645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{971}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 288054144

約数和(自身を除く): 84634499

約数列:

[1, 5, 11, 13, 55, 65, 143, 293, 715, 971, 1465, 3223, 3809, 4855, 10681, 12623, 16115, 19045, 41899, 53405, 63115, 138853, 209495, 284503, 694265, 1422515, 3129533, 3698539, 15647665, 18492695, 40683929, 203419645]

約数ペア:

[(1, 203419645), (5, 40683929), (11, 18492695), (13, 15647665), (55, 3698539), (65, 3129533), (143, 1422515), (293, 694265), (715, 284503), (971, 209495), (1465, 138853), (3223, 63115), (3809, 53405), (4855, 41899), (10681, 19045), (12623, 16115)]