218365328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 461399040

約数和(自身を除く): 243033712

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 71, 76, 134, 142, 151, 152, 268, 284, 302, 304, 536, 568, 604, 1072, 1136, 1208, 1273, 1349, 2416, 2546, 2698, 2869, 4757, 5092, 5396, 5738, 9514, 10117, 10184, 10721, 10792, 11476, 19028, 20234, 20368, 21442, 21584, 22952, 38056, 40468, 42884, 45904, 76112, 80936, 85768, 90383, 161872, 171536, 180766, 192223, 203699, 361532, 384446, 407398, 718307, 723064, 768892, 814796, 1436614, 1446128, 1537784, 1629592, 2873228, 3075568, 3259184, 5746456, 11492912, 13647833, 27295666, 54591332, 109182664, 218365328]

約数ペア:

[(1, 218365328), (2, 109182664), (4, 54591332), (8, 27295666), (16, 13647833), (19, 11492912), (38, 5746456), (67, 3259184), (71, 3075568), (76, 2873228), (134, 1629592), (142, 1537784), (151, 1446128), (152, 1436614), (268, 814796), (284, 768892), (302, 723064), (304, 718307), (536, 407398), (568, 384446), (604, 361532), (1072, 203699), (1136, 192223), (1208, 180766), (1273, 171536), (1349, 161872), (2416, 90383), (2546, 85768), (2698, 80936), (2869, 76112), (4757, 45904), (5092, 42884), (5396, 40468), (5738, 38056), (9514, 22952), (10117, 21584), (10184, 21442), (10721, 20368), (10792, 20234), (11476, 19028)]