71238128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3391}}^1$

素因数の和:3513

約数の個数: 40

約数和(自身を含む): 150157056

約数和(自身を除く): 78918928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1616, 2626, 3391, 5252, 6782, 10504, 13564, 21008, 27128, 44083, 54256, 88166, 176332, 342491, 352664, 684982, 705328, 1369964, 2739928, 4452383, 5479856, 8904766, 17809532, 35619064, 71238128]

約数ペア:

[(1, 71238128), (2, 35619064), (4, 17809532), (8, 8904766), (13, 5479856), (16, 4452383), (26, 2739928), (52, 1369964), (101, 705328), (104, 684982), (202, 352664), (208, 342491), (404, 176332), (808, 88166), (1313, 54256), (1616, 44083), (2626, 27128), (3391, 21008), (5252, 13564), (6782, 10504)]