81744916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{353}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 165332160

約数和(自身を除く): 83587244

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 277, 353, 418, 554, 706, 836, 1108, 1412, 3047, 3883, 5263, 6094, 6707, 7766, 10526, 12188, 13414, 15532, 21052, 26828, 57893, 73777, 97781, 115786, 147554, 195562, 231572, 295108, 391124, 1075591, 1857839, 2151182, 3715678, 4302364, 7431356, 20436229, 40872458, 81744916]

約数ペア:

[(1, 81744916), (2, 40872458), (4, 20436229), (11, 7431356), (19, 4302364), (22, 3715678), (38, 2151182), (44, 1857839), (76, 1075591), (209, 391124), (277, 295108), (353, 231572), (418, 195562), (554, 147554), (706, 115786), (836, 97781), (1108, 73777), (1412, 57893), (3047, 26828), (3883, 21052), (5263, 15532), (6094, 13414), (6707, 12188), (7766, 10526)]