16717990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 14616410

約数列:

[1, 2, 5, 10, 31, 62, 155, 199, 271, 310, 398, 542, 995, 1355, 1990, 2710, 6169, 8401, 12338, 16802, 30845, 42005, 53929, 61690, 84010, 107858, 269645, 539290, 1671799, 3343598, 8358995, 16717990]

約数ペア:

[(1, 16717990), (2, 8358995), (5, 3343598), (10, 1671799), (31, 539290), (62, 269645), (155, 107858), (199, 84010), (271, 61690), (310, 53929), (398, 42005), (542, 30845), (995, 16802), (1355, 12338), (1990, 8401), (2710, 6169)]