80968918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 130890240

約数和(自身を除く): 49921322

約数列:

[1, 2, 19, 38, 103, 137, 151, 206, 274, 302, 1957, 2603, 2869, 3914, 5206, 5738, 14111, 15553, 20687, 28222, 31106, 41374, 268109, 295507, 393053, 536218, 591014, 786106, 2130761, 4261522, 40484459, 80968918]

約数ペア:

[(1, 80968918), (2, 40484459), (19, 4261522), (38, 2130761), (103, 786106), (137, 591014), (151, 536218), (206, 393053), (274, 295507), (302, 268109), (1957, 41374), (2603, 31106), (2869, 28222), (3914, 20687), (5206, 15553), (5738, 14111)]