16641664

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 36456840

約数和(自身を除く): 19815176

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 73, 104, 128, 137, 146, 208, 274, 292, 416, 548, 584, 832, 949, 1096, 1168, 1664, 1781, 1898, 2192, 2336, 3562, 3796, 4384, 4672, 7124, 7592, 8768, 9344, 10001, 14248, 15184, 17536, 20002, 28496, 30368, 40004, 56992, 60736, 80008, 113984, 121472, 130013, 160016, 227968, 260026, 320032, 520052, 640064, 1040104, 1280128, 2080208, 4160416, 8320832, 16641664]

約数ペア:

[(1, 16641664), (2, 8320832), (4, 4160416), (8, 2080208), (13, 1280128), (16, 1040104), (26, 640064), (32, 520052), (52, 320032), (64, 260026), (73, 227968), (104, 160016), (128, 130013), (137, 121472), (146, 113984), (208, 80008), (274, 60736), (292, 56992), (416, 40004), (548, 30368), (584, 28496), (832, 20002), (949, 17536), (1096, 15184), (1168, 14248), (1664, 10001), (1781, 9344), (1898, 8768), (2192, 7592), (2336, 7124), (3562, 4672), (3796, 4384)]