81876796

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{349}}^1\times {\mathrm{659}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 145530000

約数和(自身を除く): 63653204

約数列:

[1, 2, 4, 89, 178, 349, 356, 659, 698, 1318, 1396, 2636, 31061, 58651, 62122, 117302, 124244, 229991, 234604, 459982, 919964, 20469199, 40938398, 81876796]

約数ペア:

[(1, 81876796), (2, 40938398), (4, 20469199), (89, 919964), (178, 459982), (349, 234604), (356, 229991), (659, 124244), (698, 117302), (1318, 62122), (1396, 58651), (2636, 31061)]