81596515

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 142720704

約数和(自身を除く): 61124189

約数列:

[1, 5, 7, 11, 13, 17, 35, 49, 55, 65, 77, 85, 91, 119, 137, 143, 187, 221, 245, 385, 455, 539, 595, 637, 685, 715, 833, 935, 959, 1001, 1105, 1309, 1507, 1547, 1781, 2329, 2431, 2695, 3185, 4165, 4795, 5005, 6545, 6713, 7007, 7535, 7735, 8905, 9163, 10549, 10829, 11645, 12155, 12467, 16303, 17017, 19591, 25619, 30277, 33565, 35035, 45815, 52745, 54145, 62335, 73843, 81515, 85085, 87269, 97955, 114121, 119119, 128095, 137137, 151385, 179333, 211939, 333047, 369215, 436345, 570605, 595595, 685685, 896665, 959959, 1059695, 1255331, 1483573, 1665235, 2331329, 4799795, 6276655, 7417865, 11656645, 16319303, 81596515]

約数ペア:

[(1, 81596515), (5, 16319303), (7, 11656645), (11, 7417865), (13, 6276655), (17, 4799795), (35, 2331329), (49, 1665235), (55, 1483573), (65, 1255331), (77, 1059695), (85, 959959), (91, 896665), (119, 685685), (137, 595595), (143, 570605), (187, 436345), (221, 369215), (245, 333047), (385, 211939), (455, 179333), (539, 151385), (595, 137137), (637, 128095), (685, 119119), (715, 114121), (833, 97955), (935, 87269), (959, 85085), (1001, 81515), (1105, 73843), (1309, 62335), (1507, 54145), (1547, 52745), (1781, 45815), (2329, 35035), (2431, 33565), (2695, 30277), (3185, 25619), (4165, 19591), (4795, 17017), (5005, 16303), (6545, 12467), (6713, 12155), (7007, 11645), (7535, 10829), (7735, 10549), (8905, 9163)]