3847190425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 5218554880

約数和(自身を除く): 1371364455

約数列:

[1, 5, 13, 25, 65, 109, 223, 325, 487, 545, 1115, 1417, 2435, 2725, 2899, 5575, 6331, 7085, 12175, 14495, 24307, 31655, 35425, 53083, 72475, 108601, 121535, 158275, 265415, 315991, 543005, 607675, 690079, 1327075, 1411813, 1579955, 2715025, 3450395, 7059065, 7899775, 11837509, 17251975, 35295325, 59187545, 153887617, 295937725, 769438085, 3847190425]

約数ペア:

[(1, 3847190425), (5, 769438085), (13, 295937725), (25, 153887617), (65, 59187545), (109, 35295325), (223, 17251975), (325, 11837509), (487, 7899775), (545, 7059065), (1115, 3450395), (1417, 2715025), (2435, 1579955), (2725, 1411813), (2899, 1327075), (5575, 690079), (6331, 607675), (7085, 543005), (12175, 315991), (14495, 265415), (24307, 158275), (31655, 121535), (35425, 108601), (53083, 72475)]