289331316

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3229}}^1$

素因数の和:3389

約数の個数: 72

約数和(自身を含む): 775975200

約数和(自身を除く): 486643884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 131, 171, 228, 262, 342, 393, 524, 684, 786, 1179, 1572, 2358, 2489, 3229, 4716, 4978, 6458, 7467, 9687, 9956, 12916, 14934, 19374, 22401, 29061, 29868, 38748, 44802, 58122, 61351, 89604, 116244, 122702, 184053, 245404, 368106, 422999, 552159, 736212, 845998, 1104318, 1268997, 1691996, 2208636, 2537994, 3806991, 5075988, 7613982, 8036981, 15227964, 16073962, 24110943, 32147924, 48221886, 72332829, 96443772, 144665658, 289331316]

約数ペア:

[(1, 289331316), (2, 144665658), (3, 96443772), (4, 72332829), (6, 48221886), (9, 32147924), (12, 24110943), (18, 16073962), (19, 15227964), (36, 8036981), (38, 7613982), (57, 5075988), (76, 3806991), (114, 2537994), (131, 2208636), (171, 1691996), (228, 1268997), (262, 1104318), (342, 845998), (393, 736212), (524, 552159), (684, 422999), (786, 368106), (1179, 245404), (1572, 184053), (2358, 122702), (2489, 116244), (3229, 89604), (4716, 61351), (4978, 58122), (6458, 44802), (7467, 38748), (9687, 29868), (9956, 29061), (12916, 22401), (14934, 19374)]