72005219

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 89886720

約数和(自身を除く): 17881501

約数列:

[1, 11, 13, 31, 37, 143, 341, 403, 407, 439, 481, 1147, 4433, 4829, 5291, 5707, 12617, 13609, 14911, 16243, 62777, 149699, 164021, 176917, 178673, 211159, 503533, 1946087, 2322749, 5538863, 6545929, 72005219]

約数ペア:

[(1, 72005219), (11, 6545929), (13, 5538863), (31, 2322749), (37, 1946087), (143, 503533), (341, 211159), (403, 178673), (407, 176917), (439, 164021), (481, 149699), (1147, 62777), (4433, 16243), (4829, 14911), (5291, 13609), (5707, 12617)]