About the Number

388388994

388388993 ← → 388388995

2進数表記:10111001001100101100010000010

漢数字表記:三億八千八百三十八万八千九百九十四

素因数分解:

2 1 × 3 1 × 7 2 × 19 1 × 23 1 × 3023 1

素因数の和:3084
約数の個数: 96
約数和(自身を含む): 992839680
約数和(自身を除く): 604450686

約数列:
[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 49, 57, 69, 98, 114, 133, 138, 147, 161, 266, 294, 322, 399, 437, 483, 798, 874, 931, 966, 1127, 1311, 1862, 2254, 2622, 2793, 3023, 3059, 3381, 5586, 6046, 6118, 6762, 9069, 9177, 18138, 18354, 21161, 21413, 42322, 42826, 57437, 63483, 64239, 69529, 114874, 126966, 128478, 139058, 148127, 172311, 208587, 296254, 344622, 402059, 417174, 444381, 486703, 804118, 888762, 973406, 1206177, 1321051, 1460109, 2412354, 2642102, 2814413, 2920218, 3406921, 3963153, 5628826, 6813842, 7926306, 8443239, 9247357, 10220763, 16886478, 18494714, 20441526, 27742071, 55484142, 64731499, 129462998, 194194497, 388388994]

約数ペア:
[(1, 388388994), (2, 194194497), (3, 129462998), (6, 64731499), (7, 55484142), (14, 27742071), (19, 20441526), (21, 18494714), (23, 16886478), (38, 10220763), (42, 9247357), (46, 8443239), (49, 7926306), (57, 6813842), (69, 5628826), (98, 3963153), (114, 3406921), (133, 2920218), (138, 2814413), (147, 2642102), (161, 2412354), (266, 1460109), (294, 1321051), (322, 1206177), (399, 973406), (437, 888762), (483, 804118), (798, 486703), (874, 444381), (931, 417174), (966, 402059), (1127, 344622), (1311, 296254), (1862, 208587), (2254, 172311), (2622, 148127), (2793, 139058), (3023, 128478), (3059, 126966), (3381, 114874), (5586, 69529), (6046, 64239), (6118, 63483), (6762, 57437), (9069, 42826), (9177, 42322), (18138, 21413), (18354, 21161)]

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