15981756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3119}}^1$

素因数の和:3194

約数の個数: 48

約数和(自身を含む): 43330560

約数和(自身を除く): 27348804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 3119, 5124, 6238, 9357, 12476, 18714, 21833, 37428, 43666, 65499, 87332, 130998, 190259, 261996, 380518, 570777, 761036, 1141554, 1331813, 2283108, 2663626, 3995439, 5327252, 7990878, 15981756]

約数ペア:

[(1, 15981756), (2, 7990878), (3, 5327252), (4, 3995439), (6, 2663626), (7, 2283108), (12, 1331813), (14, 1141554), (21, 761036), (28, 570777), (42, 380518), (61, 261996), (84, 190259), (122, 130998), (183, 87332), (244, 65499), (366, 43666), (427, 37428), (732, 21833), (854, 18714), (1281, 12476), (1708, 9357), (2562, 6238), (3119, 5124)]