28321184

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 59875200

約数和(自身を除く): 31554016

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 79, 136, 158, 272, 316, 544, 632, 659, 1264, 1318, 1343, 2528, 2636, 2686, 5272, 5372, 10544, 10744, 11203, 21088, 21488, 22406, 42976, 44812, 52061, 89624, 104122, 179248, 208244, 358496, 416488, 832976, 885037, 1665952, 1770074, 3540148, 7080296, 14160592, 28321184]

約数ペア:

[(1, 28321184), (2, 14160592), (4, 7080296), (8, 3540148), (16, 1770074), (17, 1665952), (32, 885037), (34, 832976), (68, 416488), (79, 358496), (136, 208244), (158, 179248), (272, 104122), (316, 89624), (544, 52061), (632, 44812), (659, 42976), (1264, 22406), (1318, 21488), (1343, 21088), (2528, 11203), (2636, 10744), (2686, 10544), (5272, 5372)]