217418624

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 451248000

約数和(自身を除く): 233829376

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 157, 248, 314, 349, 496, 628, 698, 992, 1256, 1396, 1984, 2512, 2792, 3968, 4867, 5024, 5584, 9734, 10048, 10819, 11168, 19468, 20096, 21638, 22336, 38936, 43276, 44672, 54793, 77872, 86552, 109586, 155744, 173104, 219172, 311488, 346208, 438344, 622976, 692416, 876688, 1384832, 1698583, 1753376, 3397166, 3506752, 6794332, 7013504, 13588664, 27177328, 54354656, 108709312, 217418624]

約数ペア:

[(1, 217418624), (2, 108709312), (4, 54354656), (8, 27177328), (16, 13588664), (31, 7013504), (32, 6794332), (62, 3506752), (64, 3397166), (124, 1753376), (128, 1698583), (157, 1384832), (248, 876688), (314, 692416), (349, 622976), (496, 438344), (628, 346208), (698, 311488), (992, 219172), (1256, 173104), (1396, 155744), (1984, 109586), (2512, 86552), (2792, 77872), (3968, 54793), (4867, 44672), (5024, 43276), (5584, 38936), (9734, 22336), (10048, 21638), (10819, 20096), (11168, 19468)]