716503775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 1047682944

約数和(自身を除く): 331179169

約数列:

[1, 5, 13, 19, 25, 31, 65, 95, 155, 197, 247, 325, 361, 403, 475, 589, 775, 985, 1235, 1805, 2015, 2561, 2945, 3743, 4693, 4925, 6107, 6175, 7657, 9025, 10075, 11191, 12805, 14725, 18715, 23465, 30535, 38285, 48659, 55955, 64025, 71117, 79391, 93575, 116033, 117325, 145483, 152675, 191425, 243295, 279775, 355585, 396955, 580165, 727415, 924521, 1216475, 1508429, 1777925, 1984775, 2204627, 2900825, 3637075, 4622605, 7542145, 11023135, 23113025, 28660151, 37710725, 55115675, 143300755, 716503775]

約数ペア:

[(1, 716503775), (5, 143300755), (13, 55115675), (19, 37710725), (25, 28660151), (31, 23113025), (65, 11023135), (95, 7542145), (155, 4622605), (197, 3637075), (247, 2900825), (325, 2204627), (361, 1984775), (403, 1777925), (475, 1508429), (589, 1216475), (775, 924521), (985, 727415), (1235, 580165), (1805, 396955), (2015, 355585), (2561, 279775), (2945, 243295), (3743, 191425), (4693, 152675), (4925, 145483), (6107, 117325), (6175, 116033), (7657, 93575), (9025, 79391), (10075, 71117), (11191, 64025), (12805, 55955), (14725, 48659), (18715, 38285), (23465, 30535)]