649351295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 907739136

約数和(自身を除く): 258387841

約数列:

[1, 5, 17, 23, 37, 47, 85, 115, 185, 191, 235, 391, 629, 799, 851, 955, 1081, 1739, 1955, 3145, 3247, 3995, 4255, 4393, 5405, 7067, 8695, 8977, 14467, 16235, 18377, 21965, 29563, 35335, 39997, 44885, 72335, 74681, 91885, 120139, 147815, 152609, 162541, 199985, 206471, 332149, 373405, 600695, 679949, 763045, 812705, 1032355, 1660745, 2763197, 3399745, 3510007, 5646533, 7639427, 13815985, 17550035, 28232665, 38197135, 129870259, 649351295]

約数ペア:

[(1, 649351295), (5, 129870259), (17, 38197135), (23, 28232665), (37, 17550035), (47, 13815985), (85, 7639427), (115, 5646533), (185, 3510007), (191, 3399745), (235, 2763197), (391, 1660745), (629, 1032355), (799, 812705), (851, 763045), (955, 679949), (1081, 600695), (1739, 373405), (1955, 332149), (3145, 206471), (3247, 199985), (3995, 162541), (4255, 152609), (4393, 147815), (5405, 120139), (7067, 91885), (8695, 74681), (8977, 72335), (14467, 44885), (16235, 39997), (18377, 35335), (21965, 29563)]