78898664

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{67}}^2$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 162684900

約数和(自身を除く): 83786236

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 169, 268, 338, 536, 676, 871, 1352, 1742, 2197, 3484, 4394, 4489, 6968, 8788, 8978, 11323, 17576, 17956, 22646, 35912, 45292, 58357, 90584, 116714, 147199, 233428, 294398, 466856, 588796, 758641, 1177592, 1517282, 3034564, 6069128, 9862333, 19724666, 39449332, 78898664]

約数ペア:

[(1, 78898664), (2, 39449332), (4, 19724666), (8, 9862333), (13, 6069128), (26, 3034564), (52, 1517282), (67, 1177592), (104, 758641), (134, 588796), (169, 466856), (268, 294398), (338, 233428), (536, 147199), (676, 116714), (871, 90584), (1352, 58357), (1742, 45292), (2197, 35912), (3484, 22646), (4394, 17956), (4489, 17576), (6968, 11323), (8788, 8978)]