80779972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 179462976

約数和(自身を除く): 98683004

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 169, 172, 182, 301, 338, 364, 397, 559, 602, 676, 794, 1118, 1183, 1204, 1588, 2236, 2366, 2779, 3913, 4732, 5161, 5558, 7267, 7826, 10322, 11116, 14534, 15652, 17071, 20644, 29068, 34142, 36127, 50869, 67093, 68284, 72254, 101738, 119497, 134186, 144508, 203476, 221923, 238994, 268372, 443846, 469651, 477988, 887692, 939302, 1553461, 1878604, 2884999, 3106922, 5769998, 6213844, 11539996, 20194993, 40389986, 80779972]

約数ペア:

[(1, 80779972), (2, 40389986), (4, 20194993), (7, 11539996), (13, 6213844), (14, 5769998), (26, 3106922), (28, 2884999), (43, 1878604), (52, 1553461), (86, 939302), (91, 887692), (169, 477988), (172, 469651), (182, 443846), (301, 268372), (338, 238994), (364, 221923), (397, 203476), (559, 144508), (602, 134186), (676, 119497), (794, 101738), (1118, 72254), (1183, 68284), (1204, 67093), (1588, 50869), (2236, 36127), (2366, 34142), (2779, 29068), (3913, 20644), (4732, 17071), (5161, 15652), (5558, 14534), (7267, 11116), (7826, 10322)]