About the Number

221326128

221326127 ← → 221326129

2進数表記:1101001100010010101100110000

漢数字表記:二億二千百三十二万六千百二十八

素因数分解:

2 4 × 3 3 × 17 1 × 30137 1

素因数の和:30171
約数の個数: 80
約数和(自身を含む): 672680160
約数和(自身を除く): 451354032

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 102, 108, 136, 144, 153, 204, 216, 272, 306, 408, 432, 459, 612, 816, 918, 1224, 1836, 2448, 3672, 7344, 30137, 60274, 90411, 120548, 180822, 241096, 271233, 361644, 482192, 512329, 542466, 723288, 813699, 1024658, 1084932, 1446576, 1536987, 1627398, 2049316, 2169864, 3073974, 3254796, 4098632, 4339728, 4610961, 6147948, 6509592, 8197264, 9221922, 12295896, 13019184, 13832883, 18443844, 24591792, 27665766, 36887688, 55331532, 73775376, 110663064, 221326128]

約数ペア:
[(1, 221326128), (2, 110663064), (3, 73775376), (4, 55331532), (6, 36887688), (8, 27665766), (9, 24591792), (12, 18443844), (16, 13832883), (17, 13019184), (18, 12295896), (24, 9221922), (27, 8197264), (34, 6509592), (36, 6147948), (48, 4610961), (51, 4339728), (54, 4098632), (68, 3254796), (72, 3073974), (102, 2169864), (108, 2049316), (136, 1627398), (144, 1536987), (153, 1446576), (204, 1084932), (216, 1024658), (272, 813699), (306, 723288), (408, 542466), (432, 512329), (459, 482192), (612, 361644), (816, 271233), (918, 241096), (1224, 180822), (1836, 120548), (2448, 90411), (3672, 60274), (7344, 30137)]

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