155965984

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3613}}^1$

素因数の和:3713

約数の個数: 48

約数和(自身を含む): 327862080

約数和(自身を除く): 171896096

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 71, 76, 142, 152, 284, 304, 568, 608, 1136, 1349, 2272, 2698, 3613, 5396, 7226, 10792, 14452, 21584, 28904, 43168, 57808, 68647, 115616, 137294, 256523, 274588, 513046, 549176, 1026092, 1098352, 2052184, 2196704, 4104368, 4873937, 8208736, 9747874, 19495748, 38991496, 77982992, 155965984]

約数ペア:

[(1, 155965984), (2, 77982992), (4, 38991496), (8, 19495748), (16, 9747874), (19, 8208736), (32, 4873937), (38, 4104368), (71, 2196704), (76, 2052184), (142, 1098352), (152, 1026092), (284, 549176), (304, 513046), (568, 274588), (608, 256523), (1136, 137294), (1349, 115616), (2272, 68647), (2698, 57808), (3613, 43168), (5396, 28904), (7226, 21584), (10792, 14452)]