81746512

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2467}}^1$

素因数の和:2603

約数の個数: 40

約数和(自身を含む): 168317600

約数和(自身を除く): 86571088

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 109, 152, 218, 304, 436, 872, 1744, 2071, 2467, 4142, 4934, 8284, 9868, 16568, 19736, 33136, 39472, 46873, 93746, 187492, 268903, 374984, 537806, 749968, 1075612, 2151224, 4302448, 5109157, 10218314, 20436628, 40873256, 81746512]

約数ペア:

[(1, 81746512), (2, 40873256), (4, 20436628), (8, 10218314), (16, 5109157), (19, 4302448), (38, 2151224), (76, 1075612), (109, 749968), (152, 537806), (218, 374984), (304, 268903), (436, 187492), (872, 93746), (1744, 46873), (2071, 39472), (2467, 33136), (4142, 19736), (4934, 16568), (8284, 9868)]