About the Number

131728512

131728511 ← → 131728513

2進数表記:111110110100000010010000000

漢数字表記:一億三千百七十二万八千五百十二

素因数分解:

2 7 × 3 1 × 17 2 × 1187 1

素因数の和:1238
約数の個数: 96
約数和(自身を含む): 372010320
約数和(自身を除く): 240281808

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 272, 289, 384, 408, 544, 578, 816, 867, 1088, 1156, 1187, 1632, 1734, 2176, 2312, 2374, 3264, 3468, 3561, 4624, 4748, 6528, 6936, 7122, 9248, 9496, 13872, 14244, 18496, 18992, 20179, 27744, 28488, 36992, 37984, 40358, 55488, 56976, 60537, 75968, 80716, 110976, 113952, 121074, 151936, 161432, 227904, 242148, 322864, 343043, 455808, 484296, 645728, 686086, 968592, 1029129, 1291456, 1372172, 1937184, 2058258, 2582912, 2744344, 3874368, 4116516, 5488688, 7748736, 8233032, 10977376, 16466064, 21954752, 32932128, 43909504, 65864256, 131728512]

約数ペア:
[(1, 131728512), (2, 65864256), (3, 43909504), (4, 32932128), (6, 21954752), (8, 16466064), (12, 10977376), (16, 8233032), (17, 7748736), (24, 5488688), (32, 4116516), (34, 3874368), (48, 2744344), (51, 2582912), (64, 2058258), (68, 1937184), (96, 1372172), (102, 1291456), (128, 1029129), (136, 968592), (192, 686086), (204, 645728), (272, 484296), (289, 455808), (384, 343043), (408, 322864), (544, 242148), (578, 227904), (816, 161432), (867, 151936), (1088, 121074), (1156, 113952), (1187, 110976), (1632, 80716), (1734, 75968), (2176, 60537), (2312, 56976), (2374, 55488), (3264, 40358), (3468, 37984), (3561, 36992), (4624, 28488), (4748, 27744), (6528, 20179), (6936, 18992), (7122, 18496), (9248, 14244), (9496, 13872)]

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