7136576980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{55903}}^1$

素因数の和:56416

約数の個数: 48

約数和(自身を含む): 16172803584

約数和(自身を除く): 9036226604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 491, 982, 1964, 2455, 4910, 6383, 9820, 12766, 25532, 31915, 55903, 63830, 111806, 127660, 223612, 279515, 559030, 726739, 1118060, 1453478, 2906956, 3633695, 7267390, 14534780, 27448373, 54896746, 109793492, 137241865, 274483730, 356828849, 548967460, 713657698, 1427315396, 1784144245, 3568288490, 7136576980]

約数ペア:

[(1, 7136576980), (2, 3568288490), (4, 1784144245), (5, 1427315396), (10, 713657698), (13, 548967460), (20, 356828849), (26, 274483730), (52, 137241865), (65, 109793492), (130, 54896746), (260, 27448373), (491, 14534780), (982, 7267390), (1964, 3633695), (2455, 2906956), (4910, 1453478), (6383, 1118060), (9820, 726739), (12766, 559030), (25532, 279515), (31915, 223612), (55903, 127660), (63830, 111806)]