78420972

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{677}}^1$

素因数の和:895

約数の個数: 72

約数和(自身を含む): 214253424

約数和(自身を除く): 135832452

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 197, 294, 394, 588, 591, 677, 788, 1182, 1354, 1379, 2031, 2364, 2708, 2758, 4062, 4137, 4739, 5516, 8124, 8274, 9478, 9653, 14217, 16548, 18956, 19306, 28434, 28959, 33173, 38612, 56868, 57918, 66346, 99519, 115836, 132692, 133369, 199038, 266738, 398076, 400107, 533476, 800214, 933583, 1600428, 1867166, 2800749, 3734332, 5601498, 6535081, 11202996, 13070162, 19605243, 26140324, 39210486, 78420972]

約数ペア:

[(1, 78420972), (2, 39210486), (3, 26140324), (4, 19605243), (6, 13070162), (7, 11202996), (12, 6535081), (14, 5601498), (21, 3734332), (28, 2800749), (42, 1867166), (49, 1600428), (84, 933583), (98, 800214), (147, 533476), (196, 400107), (197, 398076), (294, 266738), (394, 199038), (588, 133369), (591, 132692), (677, 115836), (788, 99519), (1182, 66346), (1354, 57918), (1379, 56868), (2031, 38612), (2364, 33173), (2708, 28959), (2758, 28434), (4062, 19306), (4137, 18956), (4739, 16548), (5516, 14217), (8124, 9653), (8274, 9478)]