28971012945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{80231}}^1$

素因数の和:80446

約数の個数: 64

約数和(自身を含む): 56072540160

約数和(自身を除く): 27101527215

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 181, 285, 399, 543, 665, 905, 1267, 1995, 2715, 3439, 3801, 6335, 10317, 17195, 19005, 24073, 51585, 72219, 80231, 120365, 240693, 361095, 401155, 561617, 1203465, 1524389, 1684851, 2808085, 4573167, 7621945, 8424255, 10670723, 14521811, 22865835, 32012169, 43565433, 53353615, 72609055, 101652677, 160060845, 217827165, 275914409, 304958031, 508263385, 827743227, 1379572045, 1524790155, 1931400863, 4138716135, 5794202589, 9657004315, 28971012945]

約数ペア:

[(1, 28971012945), (3, 9657004315), (5, 5794202589), (7, 4138716135), (15, 1931400863), (19, 1524790155), (21, 1379572045), (35, 827743227), (57, 508263385), (95, 304958031), (105, 275914409), (133, 217827165), (181, 160060845), (285, 101652677), (399, 72609055), (543, 53353615), (665, 43565433), (905, 32012169), (1267, 22865835), (1995, 14521811), (2715, 10670723), (3439, 8424255), (3801, 7621945), (6335, 4573167), (10317, 2808085), (17195, 1684851), (19005, 1524389), (24073, 1203465), (51585, 561617), (72219, 401155), (80231, 361095), (120365, 240693)]