72780422

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 128780064

約数和(自身を除く): 55999642

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 397, 641, 794, 1282, 4367, 5161, 7051, 8333, 8734, 10322, 14102, 16666, 56771, 91663, 113542, 183326, 254477, 508954, 2799247, 3308201, 5598494, 6616402, 36390211, 72780422]

約数ペア:

[(1, 72780422), (2, 36390211), (11, 6616402), (13, 5598494), (22, 3308201), (26, 2799247), (143, 508954), (286, 254477), (397, 183326), (641, 113542), (794, 91663), (1282, 56771), (4367, 16666), (5161, 14102), (7051, 10322), (8333, 8734)]