16643328

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1667}}^1$

素因数の和:1699

約数の個数: 72

約数和(自身を含む): 47731488

約数和(自身を除く): 31088160

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 1667, 2496, 3328, 3334, 4992, 5001, 6668, 9984, 10002, 13336, 20004, 21671, 26672, 40008, 43342, 53344, 65013, 80016, 86684, 106688, 130026, 160032, 173368, 213376, 260052, 320064, 346736, 426752, 520104, 640128, 693472, 1040208, 1280256, 1386944, 2080416, 2773888, 4160832, 5547776, 8321664, 16643328]

約数ペア:

[(1, 16643328), (2, 8321664), (3, 5547776), (4, 4160832), (6, 2773888), (8, 2080416), (12, 1386944), (13, 1280256), (16, 1040208), (24, 693472), (26, 640128), (32, 520104), (39, 426752), (48, 346736), (52, 320064), (64, 260052), (78, 213376), (96, 173368), (104, 160032), (128, 130026), (156, 106688), (192, 86684), (208, 80016), (256, 65013), (312, 53344), (384, 43342), (416, 40008), (624, 26672), (768, 21671), (832, 20004), (1248, 13336), (1664, 10002), (1667, 9984), (2496, 6668), (3328, 5001), (3334, 4992)]