72318688

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 154145376

約数和(自身を除く): 81826688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 263, 416, 526, 661, 1052, 1322, 2104, 2644, 3419, 4208, 5288, 6838, 8416, 8593, 10576, 13676, 17186, 21152, 27352, 34372, 54704, 68744, 109408, 137488, 173843, 274976, 347686, 695372, 1390744, 2259959, 2781488, 4519918, 5562976, 9039836, 18079672, 36159344, 72318688]

約数ペア:

[(1, 72318688), (2, 36159344), (4, 18079672), (8, 9039836), (13, 5562976), (16, 4519918), (26, 2781488), (32, 2259959), (52, 1390744), (104, 695372), (208, 347686), (263, 274976), (416, 173843), (526, 137488), (661, 109408), (1052, 68744), (1322, 54704), (2104, 34372), (2644, 27352), (3419, 21152), (4208, 17186), (5288, 13676), (6838, 10576), (8416, 8593)]