1976975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 3333120

約数和(自身を除く): 1356145

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 79, 91, 143, 175, 275, 325, 385, 395, 455, 553, 715, 869, 1001, 1027, 1925, 1975, 2275, 2765, 3575, 4345, 5005, 5135, 6083, 7189, 11297, 13825, 21725, 25025, 25675, 30415, 35945, 56485, 79079, 152075, 179725, 282425, 395395, 1976975]

約数ペア:

[(1, 1976975), (5, 395395), (7, 282425), (11, 179725), (13, 152075), (25, 79079), (35, 56485), (55, 35945), (65, 30415), (77, 25675), (79, 25025), (91, 21725), (143, 13825), (175, 11297), (275, 7189), (325, 6083), (385, 5135), (395, 5005), (455, 4345), (553, 3575), (715, 2765), (869, 2275), (1001, 1975), (1027, 1925)]