218361390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{559901}}^1$

素因数の和:559924

約数の個数: 32

約数和(自身を含む): 564381216

約数和(自身を除く): 346019826

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 559901, 1119802, 1679703, 2799505, 3359406, 5599010, 7278713, 8398515, 14557426, 16797030, 21836139, 36393565, 43672278, 72787130, 109180695, 218361390]

約数ペア:

[(1, 218361390), (2, 109180695), (3, 72787130), (5, 43672278), (6, 36393565), (10, 21836139), (13, 16797030), (15, 14557426), (26, 8398515), (30, 7278713), (39, 5599010), (65, 3359406), (78, 2799505), (130, 1679703), (195, 1119802), (390, 559901)]