68645252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 148740480

約数和(自身を除く): 80095228

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 61, 67, 68, 76, 122, 134, 221, 244, 247, 268, 323, 442, 494, 646, 793, 871, 884, 988, 1037, 1139, 1159, 1273, 1292, 1586, 1742, 2074, 2278, 2318, 2546, 3172, 3484, 4087, 4148, 4199, 4556, 4636, 5092, 8174, 8398, 13481, 14807, 15067, 16348, 16549, 16796, 19703, 21641, 26962, 29614, 30134, 33098, 39406, 43282, 53131, 53924, 59228, 60268, 66196, 69479, 77653, 78812, 86564, 106262, 138958, 155306, 212524, 256139, 277916, 281333, 310612, 512278, 562666, 903227, 1009489, 1024556, 1125332, 1320101, 1806454, 2018978, 2640202, 3612908, 4037956, 5280404, 17161313, 34322626, 68645252]

約数ペア:

[(1, 68645252), (2, 34322626), (4, 17161313), (13, 5280404), (17, 4037956), (19, 3612908), (26, 2640202), (34, 2018978), (38, 1806454), (52, 1320101), (61, 1125332), (67, 1024556), (68, 1009489), (76, 903227), (122, 562666), (134, 512278), (221, 310612), (244, 281333), (247, 277916), (268, 256139), (323, 212524), (442, 155306), (494, 138958), (646, 106262), (793, 86564), (871, 78812), (884, 77653), (988, 69479), (1037, 66196), (1139, 60268), (1159, 59228), (1273, 53924), (1292, 53131), (1586, 43282), (1742, 39406), (2074, 33098), (2278, 30134), (2318, 29614), (2546, 26962), (3172, 21641), (3484, 19703), (4087, 16796), (4148, 16549), (4199, 16348), (4556, 15067), (4636, 14807), (5092, 13481), (8174, 8398)]