28808416

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{761}}^1$

素因数の和:804

約数の個数: 72

約数和(自身を含む): 70280784

約数和(自身を除く): 41472368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 676, 728, 761, 1183, 1352, 1456, 1522, 2366, 2704, 2912, 3044, 4732, 5327, 5408, 6088, 9464, 9893, 10654, 12176, 18928, 19786, 21308, 24352, 37856, 39572, 42616, 69251, 79144, 85232, 128609, 138502, 158288, 170464, 257218, 277004, 316576, 514436, 554008, 900263, 1028872, 1108016, 1800526, 2057744, 2216032, 3601052, 4115488, 7202104, 14404208, 28808416]

約数ペア:

[(1, 28808416), (2, 14404208), (4, 7202104), (7, 4115488), (8, 3601052), (13, 2216032), (14, 2057744), (16, 1800526), (26, 1108016), (28, 1028872), (32, 900263), (52, 554008), (56, 514436), (91, 316576), (104, 277004), (112, 257218), (169, 170464), (182, 158288), (208, 138502), (224, 128609), (338, 85232), (364, 79144), (416, 69251), (676, 42616), (728, 39572), (761, 37856), (1183, 24352), (1352, 21308), (1456, 19786), (1522, 18928), (2366, 12176), (2704, 10654), (2912, 9893), (3044, 9464), (4732, 6088), (5327, 5408)]