181861888

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:427

約数の個数: 80

約数和(自身を含む): 397005840

約数和(自身を除く): 215143952

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 128, 178, 208, 256, 307, 356, 416, 512, 614, 712, 832, 1157, 1228, 1424, 1664, 2314, 2456, 2848, 3328, 3991, 4628, 4912, 5696, 6656, 7982, 9256, 9824, 11392, 15964, 18512, 19648, 22784, 27323, 31928, 37024, 39296, 45568, 54646, 63856, 74048, 78592, 109292, 127712, 148096, 157184, 218584, 255424, 296192, 355199, 437168, 510848, 592384, 710398, 874336, 1021696, 1420796, 1748672, 2043392, 2841592, 3497344, 5683184, 6994688, 11366368, 13989376, 22732736, 45465472, 90930944, 181861888]

約数ペア:

[(1, 181861888), (2, 90930944), (4, 45465472), (8, 22732736), (13, 13989376), (16, 11366368), (26, 6994688), (32, 5683184), (52, 3497344), (64, 2841592), (89, 2043392), (104, 1748672), (128, 1420796), (178, 1021696), (208, 874336), (256, 710398), (307, 592384), (356, 510848), (416, 437168), (512, 355199), (614, 296192), (712, 255424), (832, 218584), (1157, 157184), (1228, 148096), (1424, 127712), (1664, 109292), (2314, 78592), (2456, 74048), (2848, 63856), (3328, 54646), (3991, 45568), (4628, 39296), (4912, 37024), (5696, 31928), (6656, 27323), (7982, 22784), (9256, 19648), (9824, 18512), (11392, 15964)]