157930890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{404951}}^1$

素因数の和:404974

約数の個数: 32

約数和(自身を含む): 408191616

約数和(自身を除く): 250260726

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 404951, 809902, 1214853, 2024755, 2429706, 4049510, 5264363, 6074265, 10528726, 12148530, 15793089, 26321815, 31586178, 52643630, 78965445, 157930890]

約数ペア:

[(1, 157930890), (2, 78965445), (3, 52643630), (5, 31586178), (6, 26321815), (10, 15793089), (13, 12148530), (15, 10528726), (26, 6074265), (30, 5264363), (39, 4049510), (65, 2429706), (78, 2024755), (130, 1214853), (195, 809902), (390, 404951)]