209520870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{537233}}^1$

素因数の和:537256

約数の個数: 32

約数和(自身を含む): 541531872

約数和(自身を除く): 332011002

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 537233, 1074466, 1611699, 2686165, 3223398, 5372330, 6984029, 8058495, 13968058, 16116990, 20952087, 34920145, 41904174, 69840290, 104760435, 209520870]

約数ペア:

[(1, 209520870), (2, 104760435), (3, 69840290), (5, 41904174), (6, 34920145), (10, 20952087), (13, 16116990), (15, 13968058), (26, 8058495), (30, 6984029), (39, 5372330), (65, 3223398), (78, 2686165), (130, 1611699), (195, 1074466), (390, 537233)]