28304796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:871

約数の個数: 72

約数和(自身を含む): 75814704

約数和(自身を除く): 47509908

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 169, 204, 221, 338, 442, 507, 663, 676, 821, 884, 1014, 1326, 1642, 2028, 2463, 2652, 2873, 3284, 4926, 5746, 8619, 9852, 10673, 11492, 13957, 17238, 21346, 27914, 32019, 34476, 41871, 42692, 55828, 64038, 83742, 128076, 138749, 167484, 181441, 277498, 362882, 416247, 544323, 554996, 725764, 832494, 1088646, 1664988, 2177292, 2358733, 4717466, 7076199, 9434932, 14152398, 28304796]

約数ペア:

[(1, 28304796), (2, 14152398), (3, 9434932), (4, 7076199), (6, 4717466), (12, 2358733), (13, 2177292), (17, 1664988), (26, 1088646), (34, 832494), (39, 725764), (51, 554996), (52, 544323), (68, 416247), (78, 362882), (102, 277498), (156, 181441), (169, 167484), (204, 138749), (221, 128076), (338, 83742), (442, 64038), (507, 55828), (663, 42692), (676, 41871), (821, 34476), (884, 32019), (1014, 27914), (1326, 21346), (1642, 17238), (2028, 13957), (2463, 11492), (2652, 10673), (2873, 9852), (3284, 8619), (4926, 5746)]