193578045

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 334540800

約数和(自身を除く): 140962755

約数列:

[1, 3, 5, 15, 29, 43, 79, 87, 129, 131, 145, 215, 237, 393, 395, 435, 645, 655, 1185, 1247, 1965, 2291, 3397, 3741, 3799, 5633, 6235, 6873, 10191, 10349, 11397, 11455, 16899, 16985, 18705, 18995, 28165, 31047, 34365, 50955, 51745, 56985, 84495, 98513, 155235, 163357, 295539, 300121, 445007, 490071, 492565, 816785, 900363, 1335021, 1477695, 1500605, 2225035, 2450355, 4501815, 6675105, 12905203, 38715609, 64526015, 193578045]

約数ペア:

[(1, 193578045), (3, 64526015), (5, 38715609), (15, 12905203), (29, 6675105), (43, 4501815), (79, 2450355), (87, 2225035), (129, 1500605), (131, 1477695), (145, 1335021), (215, 900363), (237, 816785), (393, 492565), (395, 490071), (435, 445007), (645, 300121), (655, 295539), (1185, 163357), (1247, 155235), (1965, 98513), (2291, 84495), (3397, 56985), (3741, 51745), (3799, 50955), (5633, 34365), (6235, 31047), (6873, 28165), (10191, 18995), (10349, 18705), (11397, 16985), (11455, 16899)]