1999137028

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{6899}}^1$

素因数の和:7120

約数の個数: 48

約数和(自身を含む): 4080384000

約数和(自身を除く): 2081246972

約数列:

[1, 2, 4, 7, 14, 28, 79, 131, 158, 262, 316, 524, 553, 917, 1106, 1834, 2212, 3668, 6899, 10349, 13798, 20698, 27596, 41396, 48293, 72443, 96586, 144886, 193172, 289772, 545021, 903769, 1090042, 1807538, 2180084, 3615076, 3815147, 6326383, 7630294, 12652766, 15260588, 25305532, 71397751, 142795502, 285591004, 499784257, 999568514, 1999137028]

約数ペア:

[(1, 1999137028), (2, 999568514), (4, 499784257), (7, 285591004), (14, 142795502), (28, 71397751), (79, 25305532), (131, 15260588), (158, 12652766), (262, 7630294), (316, 6326383), (524, 3815147), (553, 3615076), (917, 2180084), (1106, 1807538), (1834, 1090042), (2212, 903769), (3668, 545021), (6899, 289772), (10349, 193172), (13798, 144886), (20698, 96586), (27596, 72443), (41396, 48293)]