256602998

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{907}}^1$

素因数の和:1136

約数の個数: 32

約数和(自身を含む): 418341024

約数和(自身を除く): 161738026

約数列:

[1, 2, 17, 34, 53, 106, 157, 314, 901, 907, 1802, 1814, 2669, 5338, 8321, 15419, 16642, 30838, 48071, 96142, 141457, 142399, 282914, 284798, 817207, 1634414, 2420783, 4841566, 7547147, 15094294, 128301499, 256602998]

約数ペア:

[(1, 256602998), (2, 128301499), (17, 15094294), (34, 7547147), (53, 4841566), (106, 2420783), (157, 1634414), (314, 817207), (901, 284798), (907, 282914), (1802, 142399), (1814, 141457), (2669, 96142), (5338, 48071), (8321, 30838), (15419, 16642)]