817502725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 1127427840

約数和(自身を除く): 309925115

約数列:

[1, 5, 13, 25, 47, 65, 109, 235, 325, 491, 545, 611, 1175, 1417, 2455, 2725, 3055, 5123, 6383, 7085, 12275, 15275, 23077, 25615, 31915, 35425, 53519, 66599, 115385, 128075, 159575, 267595, 300001, 332995, 576925, 695747, 1337975, 1500005, 1664975, 2515393, 3478735, 7500025, 12576965, 17393675, 32700109, 62884825, 163500545, 817502725]

約数ペア:

[(1, 817502725), (5, 163500545), (13, 62884825), (25, 32700109), (47, 17393675), (65, 12576965), (109, 7500025), (235, 3478735), (325, 2515393), (491, 1664975), (545, 1500005), (611, 1337975), (1175, 695747), (1417, 576925), (2455, 332995), (2725, 300001), (3055, 267595), (5123, 159575), (6383, 128075), (7085, 115385), (12275, 66599), (15275, 53519), (23077, 35425), (25615, 31915)]