247729170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{635203}}^1$

素因数の和:635226

約数の個数: 32

約数和(自身を含む): 640285632

約数和(自身を除く): 392556462

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 635203, 1270406, 1905609, 3176015, 3811218, 6352030, 8257639, 9528045, 16515278, 19056090, 24772917, 41288195, 49545834, 82576390, 123864585, 247729170]

約数ペア:

[(1, 247729170), (2, 123864585), (3, 82576390), (5, 49545834), (6, 41288195), (10, 24772917), (13, 19056090), (15, 16515278), (26, 9528045), (30, 8257639), (39, 6352030), (65, 3811218), (78, 3176015), (130, 1905609), (195, 1270406), (390, 635203)]