990239328

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{264487}}^1$

素因数の和:264516

約数の個数: 72

約数和(自身を含む): 3032619408

約数和(自身を除く): 2042380080

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 264487, 528974, 793461, 1057948, 1586922, 2115896, 2380383, 3173844, 3438331, 4231792, 4760766, 6347688, 6876662, 8463584, 9521532, 10314993, 12695376, 13753324, 19043064, 20629986, 25390752, 27506648, 30944979, 38086128, 41259972, 55013296, 61889958, 76172256, 82519944, 110026592, 123779916, 165039888, 247559832, 330079776, 495119664, 990239328]

約数ペア:

[(1, 990239328), (2, 495119664), (3, 330079776), (4, 247559832), (6, 165039888), (8, 123779916), (9, 110026592), (12, 82519944), (13, 76172256), (16, 61889958), (18, 55013296), (24, 41259972), (26, 38086128), (32, 30944979), (36, 27506648), (39, 25390752), (48, 20629986), (52, 19043064), (72, 13753324), (78, 12695376), (96, 10314993), (104, 9521532), (117, 8463584), (144, 6876662), (156, 6347688), (208, 4760766), (234, 4231792), (288, 3438331), (312, 3173844), (416, 2380383), (468, 2115896), (624, 1586922), (936, 1057948), (1248, 793461), (1872, 528974), (3744, 264487)]