78857384

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{571}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 151076640

約数和(自身を除く): 72219256

約数列:

[1, 2, 4, 8, 61, 122, 244, 283, 488, 566, 571, 1132, 1142, 2264, 2284, 4568, 17263, 34526, 34831, 69052, 69662, 138104, 139324, 161593, 278648, 323186, 646372, 1292744, 9857173, 19714346, 39428692, 78857384]

約数ペア:

[(1, 78857384), (2, 39428692), (4, 19714346), (8, 9857173), (61, 1292744), (122, 646372), (244, 323186), (283, 278648), (488, 161593), (566, 139324), (571, 138104), (1132, 69662), (1142, 69052), (2264, 34831), (2284, 34526), (4568, 17263)]