87771904

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 194261760

約数和(自身を除く): 106489856

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 128, 142, 176, 256, 284, 352, 439, 568, 704, 781, 878, 1136, 1408, 1562, 1756, 2272, 2816, 3124, 3512, 4544, 4829, 6248, 7024, 9088, 9658, 12496, 14048, 18176, 19316, 24992, 28096, 31169, 38632, 49984, 56192, 62338, 77264, 99968, 112384, 124676, 154528, 199936, 249352, 309056, 342859, 498704, 618112, 685718, 997408, 1236224, 1371436, 1994816, 2742872, 3989632, 5485744, 7979264, 10971488, 21942976, 43885952, 87771904]

約数ペア:

[(1, 87771904), (2, 43885952), (4, 21942976), (8, 10971488), (11, 7979264), (16, 5485744), (22, 3989632), (32, 2742872), (44, 1994816), (64, 1371436), (71, 1236224), (88, 997408), (128, 685718), (142, 618112), (176, 498704), (256, 342859), (284, 309056), (352, 249352), (439, 199936), (568, 154528), (704, 124676), (781, 112384), (878, 99968), (1136, 77264), (1408, 62338), (1562, 56192), (1756, 49984), (2272, 38632), (2816, 31169), (3124, 28096), (3512, 24992), (4544, 19316), (4829, 18176), (6248, 14048), (7024, 12496), (9088, 9658)]