163990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 24

約数和(自身を含む): 318528

約数和(自身を除く): 154538

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 529, 713, 1058, 1426, 2645, 3565, 5290, 7130, 16399, 32798, 81995, 163990]

約数ペア:

[(1, 163990), (2, 81995), (5, 32798), (10, 16399), (23, 7130), (31, 5290), (46, 3565), (62, 2645), (115, 1426), (155, 1058), (230, 713), (310, 529)]