2019020731

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 2729574400

約数和(自身を除く): 710553669

約数列:

[1, 7, 13, 19, 31, 91, 133, 139, 217, 247, 271, 403, 589, 973, 1729, 1807, 1897, 2641, 2821, 3523, 4123, 4309, 5149, 7657, 8401, 12649, 18487, 24661, 30163, 34333, 36043, 37669, 53599, 56017, 58807, 66937, 81871, 109213, 159619, 240331, 263683, 392119, 468559, 489697, 573097, 715711, 764491, 1064323, 1117333, 1167739, 2075047, 3427879, 5009977, 7450261, 8174173, 9304243, 14525329, 15180607, 22187041, 65129701, 106264249, 155309287, 288431533, 2019020731]

約数ペア:

[(1, 2019020731), (7, 288431533), (13, 155309287), (19, 106264249), (31, 65129701), (91, 22187041), (133, 15180607), (139, 14525329), (217, 9304243), (247, 8174173), (271, 7450261), (403, 5009977), (589, 3427879), (973, 2075047), (1729, 1167739), (1807, 1117333), (1897, 1064323), (2641, 764491), (2821, 715711), (3523, 573097), (4123, 489697), (4309, 468559), (5149, 392119), (7657, 263683), (8401, 240331), (12649, 159619), (18487, 109213), (24661, 81871), (30163, 66937), (34333, 58807), (36043, 56017), (37669, 53599)]