1640258908

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1\times {\mathrm{659}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 3049200000

約数和(自身を除く): 1408941092

約数列:

[1, 2, 4, 29, 43, 58, 86, 116, 172, 499, 659, 998, 1247, 1318, 1996, 2494, 2636, 4988, 14471, 19111, 21457, 28337, 28942, 38222, 42914, 56674, 57884, 76444, 85828, 113348, 328841, 622253, 657682, 821773, 1244506, 1315364, 1643546, 2489012, 3287092, 9536389, 14140163, 19072778, 28280326, 38145556, 56560652, 410064727, 820129454, 1640258908]

約数ペア:

[(1, 1640258908), (2, 820129454), (4, 410064727), (29, 56560652), (43, 38145556), (58, 28280326), (86, 19072778), (116, 14140163), (172, 9536389), (499, 3287092), (659, 2489012), (998, 1643546), (1247, 1315364), (1318, 1244506), (1996, 821773), (2494, 657682), (2636, 622253), (4988, 328841), (14471, 113348), (19111, 85828), (21457, 76444), (28337, 57884), (28942, 56674), (38222, 42914)]