72190816

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1295

約数の個数: 48

約数和(自身を含む): 149240448

約数和(自身を除く): 77049632

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 122, 124, 244, 248, 488, 496, 976, 992, 1193, 1891, 1952, 2386, 3782, 4772, 7564, 9544, 15128, 19088, 30256, 36983, 38176, 60512, 72773, 73966, 145546, 147932, 291092, 295864, 582184, 591728, 1164368, 1183456, 2255963, 2328736, 4511926, 9023852, 18047704, 36095408, 72190816]

約数ペア:

[(1, 72190816), (2, 36095408), (4, 18047704), (8, 9023852), (16, 4511926), (31, 2328736), (32, 2255963), (61, 1183456), (62, 1164368), (122, 591728), (124, 582184), (244, 295864), (248, 291092), (488, 147932), (496, 145546), (976, 73966), (992, 72773), (1193, 60512), (1891, 38176), (1952, 36983), (2386, 30256), (3782, 19088), (4772, 15128), (7564, 9544)]