1888890861

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{2243}}^1$

素因数の和:2434

約数の個数: 48

約数和(自身を含む): 2996116992

約数和(自身を除く): 1107226131

約数列:

[1, 3, 11, 13, 33, 39, 143, 151, 169, 429, 453, 507, 1661, 1859, 1963, 2243, 4983, 5577, 5889, 6729, 21593, 24673, 25519, 29159, 64779, 74019, 76557, 87477, 280709, 320749, 338693, 379067, 842127, 962247, 1016079, 1137201, 3725623, 4169737, 4403009, 11176869, 12509211, 13209027, 48433099, 57239117, 145299297, 171717351, 629630287, 1888890861]

約数ペア:

[(1, 1888890861), (3, 629630287), (11, 171717351), (13, 145299297), (33, 57239117), (39, 48433099), (143, 13209027), (151, 12509211), (169, 11176869), (429, 4403009), (453, 4169737), (507, 3725623), (1661, 1137201), (1859, 1016079), (1963, 962247), (2243, 842127), (4983, 379067), (5577, 338693), (5889, 320749), (6729, 280709), (21593, 87477), (24673, 76557), (25519, 74019), (29159, 64779)]