31234512

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 85004480

約数和(自身を除く): 53769968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 43, 48, 74, 86, 111, 129, 148, 172, 222, 258, 296, 344, 409, 444, 516, 592, 688, 818, 888, 1032, 1227, 1591, 1636, 1776, 2064, 2454, 3182, 3272, 4773, 4908, 6364, 6544, 9546, 9816, 12728, 15133, 17587, 19092, 19632, 25456, 30266, 35174, 38184, 45399, 52761, 60532, 70348, 76368, 90798, 105522, 121064, 140696, 181596, 211044, 242128, 281392, 363192, 422088, 650719, 726384, 844176, 1301438, 1952157, 2602876, 3904314, 5205752, 7808628, 10411504, 15617256, 31234512]

約数ペア:

[(1, 31234512), (2, 15617256), (3, 10411504), (4, 7808628), (6, 5205752), (8, 3904314), (12, 2602876), (16, 1952157), (24, 1301438), (37, 844176), (43, 726384), (48, 650719), (74, 422088), (86, 363192), (111, 281392), (129, 242128), (148, 211044), (172, 181596), (222, 140696), (258, 121064), (296, 105522), (344, 90798), (409, 76368), (444, 70348), (516, 60532), (592, 52761), (688, 45399), (818, 38184), (888, 35174), (1032, 30266), (1227, 25456), (1591, 19632), (1636, 19092), (1776, 17587), (2064, 15133), (2454, 12728), (3182, 9816), (3272, 9546), (4773, 6544), (4908, 6364)]