258876615

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 462044160

約数和(自身を除く): 203167545

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 73, 95, 115, 219, 285, 345, 365, 437, 541, 1095, 1311, 1387, 1623, 1679, 2185, 2705, 4161, 5037, 6555, 6935, 8115, 8395, 10279, 12443, 20805, 25185, 30837, 31901, 37329, 39493, 51395, 62215, 95703, 118479, 154185, 159505, 186645, 197465, 236417, 478515, 592395, 709251, 750367, 908339, 1182085, 2251101, 2725017, 3546255, 3751835, 4541695, 11255505, 13625085, 17258441, 51775323, 86292205, 258876615]

約数ペア:

[(1, 258876615), (3, 86292205), (5, 51775323), (15, 17258441), (19, 13625085), (23, 11255505), (57, 4541695), (69, 3751835), (73, 3546255), (95, 2725017), (115, 2251101), (219, 1182085), (285, 908339), (345, 750367), (365, 709251), (437, 592395), (541, 478515), (1095, 236417), (1311, 197465), (1387, 186645), (1623, 159505), (1679, 154185), (2185, 118479), (2705, 95703), (4161, 62215), (5037, 51395), (6555, 39493), (6935, 37329), (8115, 31901), (8395, 30837), (10279, 25185), (12443, 20805)]