31355898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 74511360

約数和(自身を除く): 43155462

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 131, 139, 246, 262, 278, 287, 393, 417, 574, 786, 834, 861, 917, 973, 1722, 1834, 1946, 2751, 2919, 5371, 5502, 5699, 5838, 10742, 11398, 16113, 17097, 18209, 32226, 34194, 36418, 37597, 39893, 54627, 75194, 79786, 109254, 112791, 119679, 127463, 225582, 239358, 254926, 382389, 746569, 764778, 1493138, 2239707, 4479414, 5225983, 10451966, 15677949, 31355898]

約数ペア:

[(1, 31355898), (2, 15677949), (3, 10451966), (6, 5225983), (7, 4479414), (14, 2239707), (21, 1493138), (41, 764778), (42, 746569), (82, 382389), (123, 254926), (131, 239358), (139, 225582), (246, 127463), (262, 119679), (278, 112791), (287, 109254), (393, 79786), (417, 75194), (574, 54627), (786, 39893), (834, 37597), (861, 36418), (917, 34194), (973, 32226), (1722, 18209), (1834, 17097), (1946, 16113), (2751, 11398), (2919, 10742), (5371, 5838), (5502, 5699)]