72811790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{3557}}^1$

素因数の和:3676

約数の個数: 32

約数和(自身を含む): 138335040

約数和(自身を除く): 65523250

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 3557, 4094, 7114, 10235, 17785, 20470, 35570, 81811, 163622, 316573, 409055, 633146, 818110, 1582865, 3165730, 7281179, 14562358, 36405895, 72811790]

約数ペア:

[(1, 72811790), (2, 36405895), (5, 14562358), (10, 7281179), (23, 3165730), (46, 1582865), (89, 818110), (115, 633146), (178, 409055), (230, 316573), (445, 163622), (890, 81811), (2047, 35570), (3557, 20470), (4094, 17785), (7114, 10235)]