172920124

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 356384448

約数和(自身を除く): 183464324

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 52, 68, 82, 164, 169, 221, 338, 367, 442, 533, 676, 697, 734, 884, 1066, 1394, 1468, 2132, 2788, 2873, 4771, 5746, 6239, 6929, 9061, 9542, 11492, 12478, 13858, 15047, 18122, 19084, 24956, 27716, 30094, 36244, 60188, 62023, 81107, 117793, 124046, 162214, 195611, 235586, 248092, 255799, 324428, 391222, 471172, 511598, 782444, 1023196, 1054391, 2108782, 2542943, 3325387, 4217564, 5085886, 6650774, 10171772, 13301548, 43230031, 86460062, 172920124]

約数ペア:

[(1, 172920124), (2, 86460062), (4, 43230031), (13, 13301548), (17, 10171772), (26, 6650774), (34, 5085886), (41, 4217564), (52, 3325387), (68, 2542943), (82, 2108782), (164, 1054391), (169, 1023196), (221, 782444), (338, 511598), (367, 471172), (442, 391222), (533, 324428), (676, 255799), (697, 248092), (734, 235586), (884, 195611), (1066, 162214), (1394, 124046), (1468, 117793), (2132, 81107), (2788, 62023), (2873, 60188), (4771, 36244), (5746, 30094), (6239, 27716), (6929, 24956), (9061, 19084), (9542, 18122), (11492, 15047), (12478, 13858)]