131174764

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{21589}}^1$

素因数の和:21638

約数の個数: 36

約数和(自身を含む): 275661120

約数和(自身を除く): 144486356

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 21589, 43178, 86356, 151123, 302246, 604492, 669259, 1057861, 1338518, 2115722, 2677036, 4231444, 4684813, 9369626, 18739252, 32793691, 65587382, 131174764]

約数ペア:

[(1, 131174764), (2, 65587382), (4, 32793691), (7, 18739252), (14, 9369626), (28, 4684813), (31, 4231444), (49, 2677036), (62, 2115722), (98, 1338518), (124, 1057861), (196, 669259), (217, 604492), (434, 302246), (868, 151123), (1519, 86356), (3038, 43178), (6076, 21589)]