166638641

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 197987328

約数和(自身を除く): 31348687

約数列:

[1, 13, 17, 47, 61, 221, 263, 611, 793, 799, 1037, 2867, 3419, 4471, 10387, 12361, 13481, 16043, 37271, 48739, 58123, 160693, 208559, 210137, 272731, 633607, 754021, 2731781, 3545503, 9802273, 12818357, 166638641]

約数ペア:

[(1, 166638641), (13, 12818357), (17, 9802273), (47, 3545503), (61, 2731781), (221, 754021), (263, 633607), (611, 272731), (793, 210137), (799, 208559), (1037, 160693), (2867, 58123), (3419, 48739), (4471, 37271), (10387, 16043), (12361, 13481)]