1297029136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{1237}}^1$

素因数の和:1400

約数の個数: 60

約数和(自身を含む): 2747173996

約数和(自身を除く): 1450144860

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1237, 1846, 2474, 3692, 4948, 5041, 7384, 9896, 10082, 14768, 16081, 19792, 20164, 32162, 40328, 64324, 65533, 80656, 87827, 128648, 131066, 175654, 257296, 262132, 351308, 524264, 702616, 1048528, 1141751, 1405232, 2283502, 4567004, 6235717, 9134008, 12471434, 18268016, 24942868, 49885736, 81064321, 99771472, 162128642, 324257284, 648514568, 1297029136]

約数ペア:

[(1, 1297029136), (2, 648514568), (4, 324257284), (8, 162128642), (13, 99771472), (16, 81064321), (26, 49885736), (52, 24942868), (71, 18268016), (104, 12471434), (142, 9134008), (208, 6235717), (284, 4567004), (568, 2283502), (923, 1405232), (1136, 1141751), (1237, 1048528), (1846, 702616), (2474, 524264), (3692, 351308), (4948, 262132), (5041, 257296), (7384, 175654), (9896, 131066), (10082, 128648), (14768, 87827), (16081, 80656), (19792, 65533), (20164, 64324), (32162, 40328)]