978040105

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 1449676800

約数和(自身を除く): 471636695

約数列:

[1, 5, 7, 19, 35, 95, 103, 109, 131, 133, 515, 545, 655, 665, 721, 763, 917, 1957, 2071, 2489, 3605, 3815, 4585, 9785, 10355, 11227, 12445, 13493, 13699, 14279, 14497, 17423, 56135, 67465, 68495, 71395, 72485, 78589, 87115, 94451, 99953, 213313, 256367, 271301, 392945, 472255, 499765, 1066565, 1281835, 1356505, 1470737, 1493191, 1794569, 1899107, 7353685, 7465955, 8972845, 9495535, 10295159, 27944003, 51475795, 139720015, 195608021, 978040105]

約数ペア:

[(1, 978040105), (5, 195608021), (7, 139720015), (19, 51475795), (35, 27944003), (95, 10295159), (103, 9495535), (109, 8972845), (131, 7465955), (133, 7353685), (515, 1899107), (545, 1794569), (655, 1493191), (665, 1470737), (721, 1356505), (763, 1281835), (917, 1066565), (1957, 499765), (2071, 472255), (2489, 392945), (3605, 271301), (3815, 256367), (4585, 213313), (9785, 99953), (10355, 94451), (11227, 87115), (12445, 78589), (13493, 72485), (13699, 71395), (14279, 68495), (14497, 67465), (17423, 56135)]