980689619

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 1306583040

約数和(自身を除く): 325893421

約数列:

[1, 7, 13, 31, 41, 61, 91, 139, 217, 287, 403, 427, 533, 793, 973, 1271, 1807, 1891, 2501, 2821, 3731, 4309, 5551, 5699, 8479, 8897, 12649, 13237, 16523, 17507, 24583, 30163, 32513, 39893, 56017, 59353, 74087, 77531, 110227, 115661, 172081, 176669, 227591, 262849, 347639, 392119, 518609, 542717, 771589, 1007903, 1236683, 1839943, 2296697, 2433473, 3417037, 4519307, 7055321, 10776809, 16076879, 23919259, 31635149, 75437663, 140098517, 980689619]

約数ペア:

[(1, 980689619), (7, 140098517), (13, 75437663), (31, 31635149), (41, 23919259), (61, 16076879), (91, 10776809), (139, 7055321), (217, 4519307), (287, 3417037), (403, 2433473), (427, 2296697), (533, 1839943), (793, 1236683), (973, 1007903), (1271, 771589), (1807, 542717), (1891, 518609), (2501, 392119), (2821, 347639), (3731, 262849), (4309, 227591), (5551, 176669), (5699, 172081), (8479, 115661), (8897, 110227), (12649, 77531), (13237, 74087), (16523, 59353), (17507, 56017), (24583, 39893), (30163, 32513)]