2028939952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{89491}}^1$

素因数の和:89621

約数の個数: 40

約数和(自身を含む): 4272348080

約数和(自身を除く): 2243408128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 2834, 5668, 11336, 22672, 89491, 178982, 357964, 715928, 1163383, 1431856, 2326766, 4653532, 9307064, 9754519, 18614128, 19509038, 39018076, 78036152, 126808747, 156072304, 253617494, 507234988, 1014469976, 2028939952]

約数ペア:

[(1, 2028939952), (2, 1014469976), (4, 507234988), (8, 253617494), (13, 156072304), (16, 126808747), (26, 78036152), (52, 39018076), (104, 19509038), (109, 18614128), (208, 9754519), (218, 9307064), (436, 4653532), (872, 2326766), (1417, 1431856), (1744, 1163383), (2834, 715928), (5668, 357964), (11336, 178982), (22672, 89491)]