161515504

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31253}}^1$

素因数の和:31297

約数の個数: 40

約数和(自身を含む): 348794640

約数和(自身を除く): 187279136

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 31253, 62506, 125012, 250024, 500048, 531301, 593807, 1062602, 1187614, 2125204, 2375228, 4250408, 4750456, 8500816, 9500912, 10094719, 20189438, 40378876, 80757752, 161515504]

約数ペア:

[(1, 161515504), (2, 80757752), (4, 40378876), (8, 20189438), (16, 10094719), (17, 9500912), (19, 8500816), (34, 4750456), (38, 4250408), (68, 2375228), (76, 2125204), (136, 1187614), (152, 1062602), (272, 593807), (304, 531301), (323, 500048), (646, 250024), (1292, 125012), (2584, 62506), (5168, 31253)]