71931223

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 92856960

約数和(自身を除く): 20925737

約数列:

[1, 7, 13, 29, 91, 97, 203, 281, 377, 679, 1261, 1967, 2639, 2813, 3653, 8149, 8827, 19691, 25571, 27257, 36569, 57043, 105937, 190799, 255983, 354341, 741559, 790453, 2480387, 5533171, 10275889, 71931223]

約数ペア:

[(1, 71931223), (7, 10275889), (13, 5533171), (29, 2480387), (91, 790453), (97, 741559), (203, 354341), (281, 255983), (377, 190799), (679, 105937), (1261, 57043), (1967, 36569), (2639, 27257), (2813, 25571), (3653, 19691), (8149, 8827)]