977881996

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{1049}}^1$

素因数の和:1283

約数の個数: 72

約数和(自身を含む): 2130559200

約数和(自身を除く): 1152677204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 197, 338, 364, 394, 676, 788, 1049, 1183, 1379, 2098, 2366, 2561, 2758, 4196, 4732, 5122, 5516, 7343, 10244, 13637, 14686, 17927, 27274, 29372, 33293, 35854, 54548, 66586, 71708, 95459, 133172, 177281, 190918, 206653, 233051, 354562, 381836, 413306, 466102, 709124, 826612, 932204, 1240967, 1446571, 2481934, 2686489, 2893142, 4963868, 5372978, 5786284, 10745956, 18805423, 34924357, 37610846, 69848714, 75221692, 139697428, 244470499, 488940998, 977881996]

約数ペア:

[(1, 977881996), (2, 488940998), (4, 244470499), (7, 139697428), (13, 75221692), (14, 69848714), (26, 37610846), (28, 34924357), (52, 18805423), (91, 10745956), (169, 5786284), (182, 5372978), (197, 4963868), (338, 2893142), (364, 2686489), (394, 2481934), (676, 1446571), (788, 1240967), (1049, 932204), (1183, 826612), (1379, 709124), (2098, 466102), (2366, 413306), (2561, 381836), (2758, 354562), (4196, 233051), (4732, 206653), (5122, 190918), (5516, 177281), (7343, 133172), (10244, 95459), (13637, 71708), (14686, 66586), (17927, 54548), (27274, 35854), (29372, 33293)]