79721356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 168231168

約数和(自身を除く): 88509812

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 142, 143, 151, 169, 284, 286, 302, 338, 572, 604, 676, 781, 923, 1562, 1661, 1846, 1859, 1963, 3124, 3322, 3692, 3718, 3926, 6644, 7436, 7852, 10153, 10721, 11999, 20306, 21442, 21593, 23998, 25519, 40612, 42884, 43186, 47996, 51038, 86372, 102076, 117931, 131989, 139373, 235862, 263978, 278746, 280709, 471724, 527956, 557492, 561418, 1122836, 1533103, 1811849, 3066206, 3623698, 6132412, 7247396, 19930339, 39860678, 79721356]

約数ペア:

[(1, 79721356), (2, 39860678), (4, 19930339), (11, 7247396), (13, 6132412), (22, 3623698), (26, 3066206), (44, 1811849), (52, 1533103), (71, 1122836), (142, 561418), (143, 557492), (151, 527956), (169, 471724), (284, 280709), (286, 278746), (302, 263978), (338, 235862), (572, 139373), (604, 131989), (676, 117931), (781, 102076), (923, 86372), (1562, 51038), (1661, 47996), (1846, 43186), (1859, 42884), (1963, 40612), (3124, 25519), (3322, 23998), (3692, 21593), (3718, 21442), (3926, 20306), (6644, 11999), (7436, 10721), (7852, 10153)]