128923288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 269660160

約数和(自身を除く): 140736872

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 127, 172, 227, 254, 344, 454, 508, 559, 908, 1016, 1118, 1651, 1816, 2236, 2951, 3302, 4472, 5461, 5902, 6604, 9761, 10922, 11804, 13208, 19522, 21844, 23608, 28829, 39044, 43688, 57658, 70993, 78088, 115316, 126893, 141986, 230632, 253786, 283972, 374777, 507572, 567944, 749554, 1015144, 1239647, 1499108, 2479294, 2998216, 4958588, 9917176, 16115411, 32230822, 64461644, 128923288]

約数ペア:

[(1, 128923288), (2, 64461644), (4, 32230822), (8, 16115411), (13, 9917176), (26, 4958588), (43, 2998216), (52, 2479294), (86, 1499108), (104, 1239647), (127, 1015144), (172, 749554), (227, 567944), (254, 507572), (344, 374777), (454, 283972), (508, 253786), (559, 230632), (908, 141986), (1016, 126893), (1118, 115316), (1651, 78088), (1816, 70993), (2236, 57658), (2951, 43688), (3302, 39044), (4472, 28829), (5461, 23608), (5902, 21844), (6604, 19522), (9761, 13208), (10922, 11804)]