331557070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{19469}}^1$

素因数の和:19620

約数の個数: 32

約数和(自身を含む): 647650080

約数和(自身を除く): 316093010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1703, 3406, 8515, 17030, 19469, 38938, 97345, 194690, 253097, 506194, 1265485, 2530970, 2550439, 5100878, 12752195, 25504390, 33155707, 66311414, 165778535, 331557070]

約数ペア:

[(1, 331557070), (2, 165778535), (5, 66311414), (10, 33155707), (13, 25504390), (26, 12752195), (65, 5100878), (130, 2550439), (131, 2530970), (262, 1265485), (655, 506194), (1310, 253097), (1703, 194690), (3406, 97345), (8515, 38938), (17030, 19469)]