15991299023

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1049}}^1\times {\mathrm{1879}}^1$

素因数の和:3015

約数の個数: 32

約数和(自身を含む): 19582080000

約数和(自身を除く): 3590780977

約数列:

[1, 7, 19, 61, 133, 427, 1049, 1159, 1879, 7343, 8113, 13153, 19931, 35701, 63989, 114619, 139517, 249907, 447923, 802333, 1215791, 1971071, 2177761, 8510537, 13797497, 15244327, 37450349, 120235331, 262152443, 841647317, 2284471289, 15991299023]

約数ペア:

[(1, 15991299023), (7, 2284471289), (19, 841647317), (61, 262152443), (133, 120235331), (427, 37450349), (1049, 15244327), (1159, 13797497), (1879, 8510537), (7343, 2177761), (8113, 1971071), (13153, 1215791), (19931, 802333), (35701, 447923), (63989, 249907), (114619, 139517)]